Jason Buchanan, N1SU, has announced a new digital voice mode based on WinDRM called FDMDV which claims to offer robust digital voice communication with enhanced interference rejection. The new mode requires just 1.1kHz of bandwidth and is claimed to work at signal to noise ratios as low as 3dB. It is based on 15 carriers . . . → Read More: New digital voice mode requires just 1.1kHz bandwidth
To celebrate the rebuilding of the WWII code breaking machine Colossus, the National Museum of Computing is running a challenge. During 15th and 16th November, historic Lorenz SZ42 ciphertext will be transmitted by radio amateurs at Heinz Nixdorf MuseumForum in Paderborn, Germany at the following times and frequencies preceded by a preamble in RTTY. The . . . → Read More: Colossus Challenge
This is the question I’ve been asking myself and others since Thursday when I passed my Foundation Amateur Radio exam.
The process is apparently as follows – On the night we took the exam the papers were marked and we got our results, then the papers were sent by post to the RSGB
. . . → Read More: Oh when will I get my radio licence?


1. This system can match a variety of Vickers hardness tester to upgrade stand-alone hardness tester or computer measuring system.
2. This measuring system can be integrated with the hardness tester HVS SERIES ,computer-controlled for auto turret and brightness adjustment etc.
3. Suitable for micro and Vickers hardness tester, the maximum test force can be 1, 5, 10, 30, 50Kg.
4. Image with high resolution and indentation measurement by auto or manual;
5. Digital X-axis value, and automatically enter the program automatically generates the deep layer of hardness distribution curve (option);
6. Calibration using micrometer or hardness block, can be calibrated automatically;
7. Hardness converted to other hardness scales according to ASTM standard.
8. Statistics for hardness values and alarm for hardness values out of range;
9. Easy to install, use laptops instead of desktop computers;
10. Interface is simple and easy to use without training;
11. Test reports can be customized; all testing data can be saved for long time and easy for historical inquiry.


EPIC ushers in the next generation of digital cinema, featuring a 5K sensor capable of capturing 1 to 120 frames per second at full resolution.
The world’s lightest handheld Super 35 digital film camera with 15 stops of dynamic range!
Developed for the filmmaking professional, the DJI Ronin features custom sensors, powerful motors and advanced algorithms.
The Krasnogorsk-3 is a 16mm mirror-reflex movie camera made in the former Soviet Union. The Krasnogorsk-3 uses standard 100-foot (30 m) load of 16mm film (single or double-perforation). The camera has been modified with a sync sound battery-powered engine.
Tripods, apple boxes, chroma key kits and more.


Case Corsair – Carbide Series SPEC-OMEGA RGB MID-TOWER TEMPERED GLASS GAMING — WHITE
THE ULTIMATE SPEC CASE WITH UNMISTAKABLE STYLE
Asymmetrical, angular design and an integrated RGB light strip gives the Spec-OMEGA RGB a bold, unique and modern look.
USE BUILT-IN LIGHTING PROFILES OR CREATE YOUR OWN
The included Lighting Node PRO digital RGB lighting controller means that with the power of iCUE you can easily choose new lighting modes from a
wide array of built-in effects or create your own.
VERSATILE COOLING OPTIONS
Room for up to six 120mm fans, or up to a 360mm Hydro Series cooler in front, 240mm at top, and 120mm in the rear.
Tempered glass side and front panels put your system on display and an included PSU shroud conceals cables and drives to keep the inside as clean as
RGB LEDS GALORE
30 RGB LEDs in the front fascia and two included CORSAIR HD120 RGB fans offer complete RGB customization.
KEEP YOUR CHILL
Cool your system with a Direct Airflow Path™ layout that removes airflow obstructions so the coolest air gets to your hottest components quickly and efficiently.
Maximum GPU Length 370mm
Maximum PSU Length 180mm
Maximum CPU Cooler Height 170mm
Case Expansion Slots 7
Case Drive Bays (x2) 3.5in (x3) 2.5in
Case Form Factor Mid-Tower
Case Windowed Tempered Glass
Case Warranty Two years
Corsair Link Enabled Yes
Case Material Steel
Radiator Compatibility 120mm; 140mm; 240mm; 280mm; 360mm
Compatible Case Corsair Liquid Coolers H55, H60, H75, H80i, H90, H100i, H105, H110i, H115i, H150i
Case Power Supply ATX (not included)
Case Drive Bays 3.5″ 2
Case Drive Bays 2.5″ 2


Generate pixel-art images and learn about binary file formats and run length encoding (RLE) compression. Uses the minimum possible number of bits per pixel based on usage of colours from the fixed colour palette below (ie a black/white image uses a 1-bit index, while using all 16 colours requires a 4-bit index). The RLE run-length is dynamically selected to maximise compression of your image.
Non-compressed data size: bits ( bytes) based on a -bit colour index.
Compressed data size: bits ( bytes). Uses dynamic run-length RLE with a -bit colour index followed by a -bit run length. First 8-bit byte is for meta data (version; palette index bits; run length bits)
URL-safe Base64 encoded version of the compressed binary data.
As well as the pixel data, the file would need to store data for things such as: image width and height; colour values at each index; bits per run; file signature header. This data is placed at the beginning of the file.


(Updated from The New Solar Electric Home - The Complete Guide to Photovoltaics for Your Home, 3rd Edition, 2008, by Joel Davidson and Fran Orner with our sincere thanks to Christina Bych)
PV has evolved from a scientific curiosity to a reliable power source for orbiting satellites and space stations to cost-effective power for remote homes and villages and to renewable energy distributed generation in cities and towns around the world. PV use will continue to rise rapidly as the need to replace fossil fuel and nuclear power plants becomes increasingly critical. The change to PV will accelerate as new materials and production methods come on-line. As more people understand how easy, practical and rewarding it is to use PV, electric utilities will find ways to integrate privately owned PV into the grid power mix. PV is already becoming an important addition to utility companies’ portfolios.
Building Integrated PV (BIPV) will become commonplace. Today, megawatts of PV roofs, curtain walls and power generating windows are being built. PV shade structures and carports are turning parking lots into solar power plants. Tomorrow, BIPV and PV shade structures, which are simply PV arrays with long legs, will be deployed on polluted urban wasteland as part of the “brownfields” cleanup process.
In the not-to-distant future - less than 10 years if we focus our resources on peace and plenty instead of war and waste - buildings will be rated either net energy consumers or producers. Older, high density, multi-story buildings like skyscrapers and inner-city hospitals with limited roof space or inadequate solar access will continue to be net energy consumers while new buildings will be designed to produce all the energy they consume. Low energy use buildings like warehouses will have PV roofs that produce excess electricity for sale for credit or directly to their neighbors.
Homes in the future will be super energy efficient and have PV roofs to provide all the home’s electricity plus power for the homeowner’s electric (EV) or hydrogen fuel cell automobile. PV modules are already available in many shapes, sizes and colors to fit any building application. Mounting hardware is already more user-friendly. Building-integrated mounting and wiring will be inconspicuous. Multi-purpose inverters that operate with or without batteries will allow you to choose battery backup now, later, or not at all and back-up power will be stored as hydrogen and utilized through fuel cells. PV on home, garages and carports will charge EVs and solar power stored in EV batteries will be fed back into the utility grid to reduce the need for polluting, inefficient fossil fuel peaker plants.
Electric service panels will be made solar-ready with built-in connections and circuit breakers for on-site power production. Electricians and tradespeople are learning how to install PV just as they learned to install heating and air condition units a few decades ago. Someday all electricians will be as familiar with PV as they are with lighting equipment.
PV will change the way people think about energy production. Most of us are already concerned about continuously increasing consumption, power plant pollution, diminishing energy resources and buying oil and gas from nations that harbor terrorists. On-site PV equipment costs are now included in homeowner’s mortgage payments in lieu of paying a separate monthly electric bill. Mortgage-financed PV is already cheaper in many places than utility power. In Asia, Europe and the United States every year hundreds of thousands of people buy PV for their homes, schools and businesses for economic and environmental reasons. This trend is expanding throughout the world.
In the future, politicians will be required to provide energy solutions that reduce the threat of war, improve the environment, and enhance individual freedom. Individuals and corporations will be held responsible for the energy resources they consume and the health and environmental impacts of their actions. PV will help everyone to meet these goals.
On-site PV use will grow by thousands of megawatts every year. Large-scale centralized PV power plants will still be required to power urban areas that house over 50% of world population, but plans are on the drawing board for a global network of PV arrays that will feed into a global electric grid. The Genesis Project is one such plan. Genesis, which stands for Global Energy Network Equipped with Solar cells and International Superconductor grids, is the brainchild of Dr. Yukinori Kuwano, one PV’s most innovative scientists and founder of Sanyo’s PV division. His 200-year plan is to make PV the planet’s prime energy source. (1)
The Genesis Project is not science fiction. A look at Earth from space shows that rainy and cloudy areas cover less than 30% of the total land mass and that it is always daylight on one side of the globe. A global PV power grid connected by super-conducting cables would enable daylight areas to provide clean solar energy around-the-clock. Super-conducting cables are practical today and plans are to increase their use. (2)
When Dr. Kuwano first proposed the Genesis Project, global energy demands were the equivalent of 14 billion barrels of crude oil per year. About 4% of the world's desert area (800 km square) covered with 10% efficient solar cells could meet this requirement.
Is a global PV grid possible? People who install PV power generation systems on their grid-connected homes and businesses are building the global PV network right now. As this trend grows, national networks will then be connected by superconductor cables now in development.
The United States, Canada and parts of Mexico are already interconnected as are the electric power grids of some European countries. The "Silk Road Genesis,” proposed by the Tokyu Construction Company, calls for the construction of PV power plants along that ancient trade route. The first stage of the project, which now includes the support of Sanyo and other companies, involves building over a hundred 100-megawatt PV plants along the Silk Road by 2030.
Desertec is another large scale project aimed at creating a global renewable energy plan based on the concept of harnessing sustainable power from sites where renewable sources of energy are more abundant and transferring it through high-voltage direct current transmission to consumption centers in north Africa and Europe. All kinds of renewable energy sources are envisioned, but the sun-rich deserts of the world play a special role. (3)
Even if it takes 50 years for a global electric grid to materialize, hundreds of megawatts of PV are already connected to local and regional grids while hundreds of thousands of households in developing countries are getting their first electricity from PV each year.
While you were reading this short chapter, more than 300 kilowatts or about 30,000 square feet of PV were installed. In 2013, over 4,220,000 watts (4.22 megawatts) of PV were installed every hour (4). We hope you will join the PV Revolution and go solar now.
(1) Genesis Project
(2) Super-conducting power cables


I just spent the afternoon at SIGFOX’s event in Lisbon, learning about the company offering and doing some hands-on demos with an Arduino Uno and SIGFOX’s network.
What is SIGFOX? To be honest, I didn’t exactly know, when I got the Meetup email from Productized about the event. SIGFOX is an telecom operator, exploring a range of radio frequencies and a kind of modulation (UNB – Ultra-Narrow Band) that makes it especially interesting for the IoT world.
Up until today, my only experience with IoT was with the Raspberry Pi, and the code to handle the wifi connectivity in case of failures has given me several headaches. It seems bluetooth, which is more widely used with Arduinos, is also not a simple process, due to the need to pair, for example. SIGFOX’s network promises several advantages in this area: simplicity in sending (and receving messages) from the network is a question of doing a send call – no need to pair, connect, authenticate, etc. There are base stations (much like in GSM) that get the message, de-duplicate it, make it reach SIGFOX’s infrastructure, and either process it there or route it to our own application server via an HTTP call. Another major selling point is the low power usage: the protocol used is designed to maximize energy efficiency and use energy only when needed - essentially, it uses 20-35mA when sending messages, and the chip is supposed to be in standby most of the time, when not communicating – the communications pattern assumes the device polls for incoming commands when required/regularly. A solution using this approach is supposed to have up to have several years of autonomy, supposedly.
This simplicity and low power consumption, clearly major selling points, are offset by some limitations in the range of applications: messages have a payload of 12 bytes (xml and json are out, as are applications regarding media transmission) – this means you’ll be optimizing messages on the bit level; additionally, to comply with european regulations in the usage of the spectrum, you can only send up to 140 messages per day (about one message every 10 minutes), and finally the transmission rate is pretty low: 100 bits/sec – so it pays to keep messages as small as possible. Even with these limitations, it’s pretty clear there is a wide range of applications for this approach – my Raspberry Pi temperature setup uses Wifi and is constantly plugged in, a SIGFOX+Arduino solution would probably just require batteries.
Interestingly, there is already network coverage in Portugal (an in the Netherlands, France and Spain – as well as several other major cities worldwide), and prices are supposed to be very affordable (2€ to 25€/year, if I understood correctly), depending on factors such as usage. In one of the demos, a message sent by the board was picked up by 4 base stations – the workshop was in the city’s downtown.
The platform has mechanisms (callbacks) that can handle requests from the devices, either semi-automatically by parametrizing preset responses (ex: return the current time), or by making HTTP calls to a configured application server on our end. Interestingly, Azure Event Hubs (which I also use in the Raspberry Pi tests) are also natively supported, with the network automatically posting incoming messages from devices into a configured event hub – and the Azure IoT Suite will also be supported.
I thoroughly enjoyed the afternoon in the workshop, and was surprised at how easy it was to use the network and the Arduino. I’d seen demos of Arduino before, and to be honest was not looking forward to be back in coding C, but it was easier than it thought (I still have this book around, from when I learned the language in high school).
As to doubts and issues: IoT security seems to be in the news every day, so this is obviously a concern. I don’t know much on the topic, but device authentication, server authorization, and server authentication in the device seem obvious concerns. The trainer, Nicolas (great job!), didn’t have much time so he didn’t expand on the topic (and I still don’t have the slides with me), but it is a concern I’ll have to explore.
The SIGFOX demos done in the workshop are available on GitHub. The board provided can read the temperature (with a degree resolution), so I might do the exercise of converting my C# code from the Raspberry to run on the Arduino.
PS: I have very basic electricity/electronics know-how, and somehow see myself with a couple of Raspberry’s, now an Arduino, and several sensors, cables and breadboards on the way from AliExpress. What is happening to me? :-)


In order to avoid the possible risks of manual sample delivery, ensure the timeliness, accuracy and safety of the test samples, design and install this set of point-to-point pneumatic pipeline transmission (sample delivery) system to realize the automation and standardization of the test sample transfer process and improve Work efficiency, reduce labor costs, fast transmission speed and no faults .
Working principle and technical characteristics
1, the system works:
Â Â Â Compressed air is used to transmit various samples through a closed transmission pipeline. The working process first puts the transport bottle containing the sample into the transceiver station, presses the send button, and the main control system activates the aerodynamic device to the closed transmission pipeline. Providing aerodynamics, the transport bottle carrying the sample will be transported to the other transceiver station at a speed of 3-9 meters per second to complete a sample delivery work. The point-to-point fast sample delivery system is a single-tube two-way system. Empty bottles or transport bottles containing report sheets are returned to the other end station.
2, technical characteristics:
Â Â Â Â Designed for the high requirements of the laboratory and operating room environment, the transceiver station has an independent exhaust system, which will not cause air pollution to the indoor environment.
2.1 , the system structure is simple, maintenance-free: the workstation has no motor, no rotating structure, the system is stable and reliable;
2.2 . Patented receiving damping technology: Each transceiver station is equipped with an air damping reduction device to make the receiving more stable;
2.3 , one-button transmission operation design, the transmission operation is more simple and easy to learn;
2.4 . When the transmission sample arrives at the transceiver station, it has an audible and visual alarm prompt function;
2.5 , the transmission bottle adopts screw cap design with liquid leakage prevention function, and is equipped with special filler to make the sample transfer process safer and more reliable;
2.6 . Each transceiver station is equipped with a detection sensor and a transmission bottle, which can prevent other items from directly transmitting and ensure the safety of the transmitted items;
2.7 . The main control system can automatically record the transmission data of the system, analyze and diagnose the operation data, and connect to the company's technical center through the internet to provide technical support quickly and efficiently.
The system mainly consists of: aerodynamic device, transmission pipeline, transceiver workstation, main control system, transmission bottle and the like.
Food Waiter Robot is multifunction robot for restaurant, hotel. Our company has many different kinds of robot. Such as humanoid robots , raill robots and trackless robots. Their main function is to deliver food to customers. They can replace the traditional waiter, save labor costs, bring good economic benefits, Widely used in specialty catering industry, children's theme venues, leisure and entertainment venues.
Food Waiter Robot
Food Waiter Robot,Food Waiter Robotics,Food Waiter Robots,Food Waiter Robot Dog
Henan 1st Century Robot Co., Ltd. , http://www.1st-crobot.com


Interactive Control Systems Tools
Analysis of Control Systems
The first step of analysis of a control system is to derive a mathematical model of the system. Once such a model is obtained, various methods for analysis of the system are available.
Transient Response Analysis
When analyzing and designing control systems it is convenient to have a basis for comparison of performance of various systems. This basis can be set up by specifying a number of test input signals and by comparing the response of different systems to these signals.
The commonly used test input signals are step functions, ramp functions, acceleration functions, impulse functions, sinusoidal functions and the like. Since these test input signals are simple functions of time it is easy to perform mathematical and experimental analysis of control systems. How do we choose which test signal to use? If the inputs to the real control system are suddenly changing then a good approximation might be the step function. Similarly, if the inputs to the control system are gradually changing with the time then the ramp function might be a good candidate. The use of such test signals allows to compare the responses of different systems or allows to compare the response of different designs.
Important system behavior to which we must give careful consideration includes not only transient response, but steady state response, absolute stability, relative stability, steady state error and like.
Root Locus Analysis
The transient response of a closed-loop system is closely related to the location of the closed loop poles. From the design viewpoint, in some systems simple gain adjustment can move the closed loop poles to the desired locations. The closed loop poles are the roots of the characteristic equation of the system.
A simple method for finding the roots of the characteristic equation and how they vary depending on the change of the system gain has been developed by W. R. Evans and is called root locus method.
The locus of the roots of the characteristic equation of the closed loop system as the gain varies from zero to infinity gives the name of the method. Such a plot shows clearly the contribution of each open loop pole or zero to the locations of the closed loop poles. Tis method is very powerful graphical technique for investigating the effects of the variation of a system parameter on the locations of the closed loop poles. General rules for constructing the root locus exist and if the designer follows them, sketching of the root loci becomes a simple matter.
Frequency Response Analysis
The frequency response means the steady state response of the system to a sinusoidal input. In frequency response we vary the frequency of the input signal and study the resulting response. An advantage of the frequency response is that the tests are simple and can be made accurately by using a sinusoidal generator and measurement equipment.
The Nyquist stability criterion enables to investigate both the absolute and relative stability of closed loop system from the knowledge of its open loop frequency response characteristics.
Bode plots based analysis and design are simple and allow even to construct the transfer function of unknown system easily from its frequency response.
Analysis in State Space
A modern complex system may have many inputs and outputs, and these may be related in a complicated manner. The state space approach is best suited to system analysis of such systems because it reduces the complexity of the mathematical expressions. The state space approach describes the system equations in terms of a system of first order differential equations which may be combined into first order vector-matrix notation. This greatly simplifies the mathematical representation and allows the analysis to be carried out by procedures that are similar to those required for analysis of first order scalar differential equations even for multi-input multi-output systems.
Lyapunov stability analysis and the quadratic optimal control are based on the state space approach.


United Arab Emirates, Dubai – 07/09/2023 - Unbounded Technologies, a renowned innovator in the tech industry, is excited to announce the launch of its cutting-edge AI Development Services. As a pioneer in digital transformation, Unbounded Technologies introduces these services through its website (https://www.unboundedtek.com/ai-development), providing businesses with a powerful tool to harness the transformative power of artificial intelligence.
Our AI Development Services are tailored to businesses of all sizes and industries. Our goal is to assist companies in navigating the intricate world of artificial intelligence by delivering customized solutions that enhance efficiency, reduce costs, and unlock new opportunities. Backed by a team of seasoned AI specialists, we offer unmatched expertise in developing machine learning models, neural networks, and advanced algorithms.
"We firmly believe that artificial intelligence is not just a passing fad, but a game-changer in the business realm," affirms the CEO of Unbounded Technologies. "Through our AI Development Services, we empower businesses to thrive in this new digital era."
Moreover, our AI Development Services include an AI-driven card solution, enabling businesses to securely store and manage their digital credit, debit, and gift cards in a single, convenient location. This platform prioritizes user experience and security, offering features like automated payment scheduling, transaction management, and real-time fraud prevention.
With our AI Development Services, businesses can unlock the full potential of card solutions. Our platform is designed with simplicity in mind, enabling companies to manage their digital cards effortlessly without compromising security or convenience. With our user-friendly dashboard and intuitive design, businesses have the necessary tools to optimize their payment processes and reduce costs effectively.
At Unbounded Technologies, we are dedicated to helping businesses succeed in the digital age. By harnessing the power of artificial intelligence, our AI Development Services enable companies to explore new opportunities and create a smarter, more efficient future. Join us as we usher payment processes into the 21st century - and beyond.
Unbounded Tek, a Seychelles-based company, specializes in software development and offers white-label services, as well as facilitates card issuing platforms that harness the power of blockchain technology and core development principles. Our team of skilled developers is ready to collaborate with you, turning your ideas into reality while catering to your unique business requirements. To discover how Unbounded Tek can bring your concept to life, please contact us at firstname.lastname@example.org or visit our website at https://www.unboundedtek.com.
Company: Unbound Tek, A Division of TFSF Holdings, LTD
Location: Victoria, Seychelles
Contact: Sarah Li


Designing Distributed Systems: Patterns and Paradigms for Scalable, Reliable Services
Without established design patterns to guide them, developers have had to build distributed systems from scratch, and most of these systems are very unique indeed. Today, the increasing use of containers has paved the way for core distributed system patterns and reusable containerized components. This practical guide presents a collection of repeatable, generic patterns to help make the development of reliable distributed systems far more approachable and efficient.
Author Brendan Burns—Director of Engineering at Microsoft Azure—demonstrates how you can adapt existing software design patterns for designing and building reliable distributed applications. Systems engineers and application developers will learn how these long-established patterns provide a common language and framework for dramatically increasing the quality of your system.
- Understand how patterns and reusable components enable the rapid development of reliable distributed systems
- Use the side-car, adapter, and ambassador patterns to split your application into a group of containers on a single machine
- Explore loosely coupled multi-node distributed patterns for replication, scaling, and communication between the components
- Learn distributed system patterns for large-scale batch data processing covering work-queues, event-based processing, and coordinated workflows


It is no surprise that Geeks on repair is the premier computer repair company in the USA. They have talented employees, full quality tools and extreme knowledge to fix any computer problems.
Geeks on Repair have a secure performance package which manages the updates and ensure a client about 100% performance of their computer. From home computer to the small mid level and enterprise business they provide solutions to all. Geeks on repair assist technicians to fix issues like How to Make Computer Faster, Wi-Fi installation, Computer Virus removal and home theater installation.
When you depend upon your computer at home or at business, a computer that doesn’t work is often a real crisis. Geeks on Repair expert team will work for you 24 hours a day and 7 days a week. Highly skilled Online Computer Repair professionals will come to your home as soon as possible. Selecting Geeks on Repair as your computer repair company guarantees you a successful situation of computer repair for any situation. Geeks on repair are the best in the computer repair Industry.
Contact Geeks on Repair that has around 10 years of experience and receive a computer repair with a perfect system and team. Headquarter in Bronx, New York, the company provide computer repair solutions to corporations, small businesses and home computer nationwide currently serving 42 states.


Technology has continued to evolve at a rapid pace. This evolution has powered changes in the way we operate and interact daily. Computers, laptops, smartphones, and tablets seem to be necessities and now just luxuries. Especially in the pandemic where life has changed and physical interactions have been limited, technology has become even more critical. Founder of Vuuzle Media Corp, Ronnie Flynn, has seen the need to integrate these evolving technologies to its advantages, which offers online streaming services to people worldwide. Ronnie shares his thoughts on how technology will continue to impact the future of media.
Technology has Changed the World
“Technology has the power to do many things, and changing the world is one of them. We’re privileged to be living in a time where science and technology can assist us, make our lives easier, and reimagine the way we go about our daily lives. The technology we’re already exposed and accustomed to has paved the way for us to innovate further, and this list of current and future technologies certainly has the potential to change our lives even more.”
Undoubtedly, technology has impacted almost all aspects of our daily existence, and this will continue into the foreseeable future.
“I personally believe that some technology today will change our lives forever over the coming decade and beyond: Robots in space, electric self-driving cars, colonization of other planets, space tourism, roads, rivers, and flying cars, and hyper-fast trains are just the beginning.”
Prevalence of Artificial Intelligence
Artificial Intelligence is also one of the most obvious evolutions in technology that has taken place over the past few years. Artificial Intelligence (AI) is the branch of computer sciences that emphasizes intelligent machines’ development, thinking, and working like humans. For example, speech recognition, problem-solving, learning, and planning. “I truly believe that the biggest technology is going to come from VR and gesture-based computing. Currently, our teams are working on an AI project that we simply change the way we organize our lives while giving us the freedom to use the Visible web without all the clutter and keystrokes.”
Technology in the Media Industry
Another area in which technology’s impact has been evident in the media industry. The implementation of digital media and online streaming services has changed the way we are entertained. Flynn’s company Vuuzle Media offers free streaming services via Vuuzle TV. Streaming multimedia, especially movies, has fast become the way of the world, with many streaming services seeing increased subscribership during the pandemic.
“Streaming in the new millennium will change the way the world watches and views entertainment. The rise of video and live streaming content has gradually led to a transition of traditional media forms to the online world.”
Flynn adds, “these new streaming services all offer users the ability to watch on-demand content, making them superior to traditional television. For the first time, viewers can now request what shows they want to enjoy at the click of a button.”
Our world has changed forever, and technology will continue as a constant in our lives. “For me, being involved with the production of television and movies while owning an OTT streaming company is paramount to change. I am constantly innovating as the world desires simplicity to be part of their daily lives. I will help maverick this space by keeping technology simple to use while creating innovations never seen before.”


Virus and Spyware Removal
If you suspect your computer is the victim of a virus or malware attack we can can clean your computer to make it happy again. Please click here for virus removal page.
Your computer after time will inevitably slow down. You computer may just need maintenance. If it is too far gone we can reinstall windows to make it fresh again. Windows Re-Installation.
If your computer is not performing right, buggy or is slow we can perform maintenance on it to speed it up or to correct any issues.
PC Health Check
A predetermined set of house keeping tasks we perform on your computer to improve overall performance and stability.
If you are having problems with the internet using your wired or wireless connection or need a new connection or network set up, we can help.
Data Recovery Service
If you have had a system failure or wish to upgrade to a new computer we can move your data to a new computer.
Upgrade your computer to increase performance. We can upgrade memory, hard-drive or anything else.
We can give you one on one training to get you up to speed with your new technology. Our friendly patient trainer can help you come to grips operating systems, Microsoft Office products ect.


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Technology's Role as Interpreting Becomes More Important
David Fetterolf, President, Stratus Video Interpreting
Webcasts are becoming increasingly popular as a resource for conference interpreting, offering specialized features to interpreters who need to switch off to avoid interpreter fatigue. Webcast-multimedia presentations are streamed over the Internet, broadcasting audio and video content to multiple simultaneous listeners and viewers. Webcasting can be streamed live and is also available on-demand.
Adobe Connect and Webex are two popular web-conferencing systems that provide chat windows designed to facilitate communication between interpreters regarding terminology questions, sound quality and turn taking.
High-definition audio and video
Advancements in high-definition audio and video have shaped modern day consecutive interpreting to include both over the phone interpretation (OPI) and video remote interpretation (VRI). Both methods empower interpreters with the capability to work remotely. OPI used to be the preferred language-access solution for many hospitals prior to the invention of VRI. With OPI, healthcare providers place calls to interpreter call centers on-demand and pay by the minute for the service.
As technology advances and takes new forms, the need to better communicate with others simultaneously does as well.
VRI technologies, on the other hand, utilize videoconferencing software, mobile devices and a high-speed Internet connection. Stratus Video is an example of a VRI service that uses technology to connect clients with interpreters in less than 30 seconds. While OPI best facilitates simple verbal exchanges not requiring visual communication, video technologies provide the closest approximation to face-to-face interpretation.
Imagine trying to have a three-way conversation in two languages without any visual cues. It would be challenging and time consuming. The exchange of visual information makes VRI especially effective for sign-language and mental-health interpretation – an aspect that is invaluable for communication that is not only accurate but also empathetic.
Non-verbal cues play a very important role in medial interpreting. Body language, tone, and emotional intonation all contribute significantly to effective communication. In fact, studies have shown time and again that the majority of human communication isn’t verbal, reinforcing the undeniable importance of high-definition video when it comes to the provider-patient exchange.
E-documentation is revolutionizing the world of translation. Hospitals are using mobile devices and tablets for data entry, digital pens for automated prescription refills and interactive voice-response systems for emergency contact. The transition from print to electronic data collection has developed the electronic case repost form (eCRF). All of these technological advancements in the medical field are challenging translators to optimize their translation memory systems and terminology databases to incorporate official regulatory terms so they can maintain consistent and accurate translation across all devices.
Advancements in the field have made continuing education more essential than ever for simultaneous and consecutive interpreters and translators who can no longer depend solely on their experience and knowledge to remain competitive. Industry professionals also need to be well-informed on information technology to avoid issues that could otherwise negatively impact work quality and client satisfaction.
Another technological advancement revolutionizing the world of interpreting is the use of apps on tablets and mobile devices. Some apps offer machine-automated translation while others provide language-access services connecting to live interpreters. Even medical devices are using mobile apps as remote controls for device displays. Language access is now available anywhere at anytime.
Technology is playing a large role in the world of interpretation and translation. It’s continuing to grow at a rapid pace and constantly evolving in new ways we previously thought impossible. As technology advances and takes new forms, the need to better communicate with others simultaneously does as well. The healthcare industry and diversity of the world’s population continue to grow in parallel with technology, thus increasing the demand for a comprehensive service that offers instant, accurate and immersive language interpretation.


Optical Antennas Book Released
Now available from Cambridge University Press, the Optical Antennas book edited by Mario Agio and Andrea Alu.
This consistent and systematic review of recent advances in optical antenna theory and practice brings together leading experts in the fields of electrical engineering, nano-optics and nano-photonics, physical chemistry and nanofabrication. Fundamental concepts and functionalities relevant to optical antennas are explained, together with key principles for optical antenna modelling, design and characterisation. Recognising the tremendous potential of this technology, practical applications are also outlined.
A free sample preview of the chapter I wrote on aperture antennas can be found here.


Science is more than theory and lecture. Science is fun. Science is hands-on. Science is…
Unraveling the Big Bang. Laying the foundation for tomorrow’s technology. Using some of the world’s coolest, most innovative and most expensive scientific facilities.
Students and faculty involved in NIU’s High Energy Physics program, which conducts research on the most fundamental particles and interactions of matter, are doing all of the above.
“Any small contribution I make might help scientists make new discoveries. As an undergraduate, that’s a pretty big deal,” says Alison Peisker, an NIU senior majoring in physics and math. Working alongside NIU professors since last fall, Peisker is paid to conduct research for a $270 million project under development at Fermi National Accelerator Laboratory in Batavia.
“I wanted to get involved in research, so I’m glad I have this opportunity,” says the Palatine native, who will be spending time at the laboratory this semester. “It’s fun to play a part in discovering new physics.”
This fall, NIU’s High Energy Physics (HEP) program is flexing some extra muscle after receiving three new National Science Foundation grants totaling $1.77 million over the next three years.
That’s more than double the amount of NSF funding in the previous three years for the NIU program.
“This is remarkable growth at a fiscally challenging time when high energy physics programs at many other universities are experiencing funding cuts,” says physicist Gerald Blazey, interim vice president of NIU’s Division of Research and Innovation Partnerships.
Two of the grants were awarded to first-year faculty, professors Jahred Adelman and Vishnu Zutshi.
“Winning highly competitive awards of this size in one’s first year on the faculty is no small feat,” physics chair Laurence Lurio says.
NIU scientists and students involved in the HEP program conduct research on campus as well as at Fermilab and at CERN near Geneva, Switzerland. The birthplace of the World Wide Web, CERN is Europe’s premier research center in physics.
“Beyond gains in basic scientific knowledge, the technologies developed from high energy physics research can be expected to continue to lead to momentous advances in a wide range of areas that touch our everyday lives,” says physics professor Dhiman Chakraborty, who works with NIU students at CERN and is among the grant winners.
“These areas range from medical science and information technology, to finding new sources of clean energy and developing new materials, to modeling financial markets and the fight against terrorism,” Chakraborty adds.
NIU’s HEP group has had continuous federal funding since 1987, with more than 250 NIU students having worked with the group so far. The three new NSF grants and awardees are as follows:
The funding will expand research experiences for students such as Peisker and ramp up faculty research on the Fermilab project known as Mu2e, one of the flagship experiments of the U.S. HEP program.
By seeking to find a rare type of conversion of particles known as muons to electrons, the experiment will look for new phenomena beyond the Standard Model of particle physics.
Zutshi, who joined the faculty last fall, is the principal investigator for the award. He has worked in leadership roles at Fermilab and CERN on fixed target and collider experiments and leads the NIU detector development group that has made pioneering efforts in scintillation detectors for particle physics and medical imaging. On Mu2e, he is taking on key responsibilities for the crucial Cosmic Ray Veto detector.
Fermilab broke ground on Mu2e in April, and the experiment is expected to begin taking data in 2020. But it is already proving to be a boon for students seeking hands-on experience.
About 25 NIU undergrads and graduate students in physics and engineering have worked on important aspects of Mu2e, including mechanical design of the experiment, testing of detector test-beam components and detector design and optimization. Four NIU faculty and six research scientists also collaborate on the project, along with scientists from across the world.
The new grant will support two undergrads and three to four graduate students each year. Fermilab also will provide funds for two engineering students per year, and NIU is kicking in undergraduate engagement funds to support students.
In addition to the latest NSF grant, professors Michael Eads in physics and Nicholas Pohlman in engineering received a U.S. Department of Energy grant last year of $325,000 that also will boost NIU’s role in another particle experiment at Fermilab known as Muon g-2.
“We have a great mix of veteran and younger faculty making significant contributions to physics collaborations at Fermilab,” Blazey said. “It’s also noteworthy that Professor Pohlman brings an interdisciplinary element to the NIU work that provides our engineering students with incredible opportunities.”
- $510,000 to physics professor Dhiman Chakraborty
The LHC is the world’s most powerful particle accelerator, famed for having discovered the Higgs boson in 2012, an achievement that led to the awarding of the Nobel Prize for Physics to theorists who first surmised the particle’s existence. The LHC’s 17-mile long ring sits in a circular tunnel about 110 yards underground.
The ATLAS detector, which is located within the LHC tunnel, took an international team of scientists and engineers two decades to design and build. It has the shape of a barrel and is almost as long as an Olympic swimming pool.
ATLAS’ superfast electronics and computing systems are capable of examining with minute detail the outcomes of billions of proton-on-proton collisions every second to search for extremely rare phenomena.
“The aim of the ATLAS experiment is to understand the most basic workings of nature by recreating, for fleeting instants and in tiny volumes of space, the conditions from which the universe evolved after the Big Bang,” Chakraborty says.
NIU joined ATLAS under Chakraborty’s leadership in 2006. The university’s ATLAS team includes two faculty members, one senior research scientist, one post-doctoral researcher, four Ph.D. students and one undergraduate. In addition to funding ongoing research activities, the grant will allow for the addition of another post-doctoral research associate. CERN also provides substantial funding to support travel by NIU personnel.
- $420,000 to physics professor Jahred Adelman
The funding will be used to bolster NIU’s participation in the Fast TracKer upgrade, designed to dramatically improve the ATLAS detector’s ability to extricate scientifically important signal from a noise-dominated deluge of data. It will employ real-time tracking of charged particles traveling at nearly the speed of light. The tracking will help scientists find what might be akin to needles in a very, very large haystack.
Adelman joined the NIU faculty last fall. He brought with him several years of experience on ATLAS as a post-doctoral researcher at Yale University and assumed leadership of NIU’s Fast TracKer involvement using startup funds from the university.
Adelman also serves as the deputy leader of the NIU ATLAS team. Together with other members of his group, he is deeply involved in using the Higgs boson to probe and test the Standard Model.
“The ATLAS collaboration counts among its members some 3,200 individuals from 176 top institutions representing 38 countries,” physics chair Lurio says. “So NIU is in very good company. Most importantly, our involvement at both CERN and Fermilab provides NIU students with world-class learning experiences and access to some of the most advanced research facilities on the planet.”


The Kore 2.0 reviews watch is a smart tracker with a lot of impressive features that can help you manage your health. It is easy to use and displays important information on your wrist. It has biometric sensors that allow it to detect your vitals. It can tell you about your heart rate, your breathing rate, and other important information. The Kore 2.0 can also help you track your workouts, so you can know if you’re getting enough exercise or if you’re dehydrated. The wearable device also lets you know if you’re getting enough sleep or if you’re not. This feature helps you know if you’re making progress and if you need to replenish yourself.
The Secrets To Kore 2.0 Watch Review
The Kore 2.0 watch is designed to track your fitness level throughout various activities. It measures your heart rate and oxygen levels during different physical activities. It also measures your body temperature, which can help you identify when you’re getting sick or stressed. It can also help you track your sleep patterns. Another unique feature of this smartwatch is its ability to track your sleep patterns. The kore 2.0 watch can be used to monitor your sleeping pattern, which is crucial if you want to sleep well.
With its many features and customizable interface, the Kore 2.0 has a lot to offer. It can also tell you when you’re tired or sleepy. The smartwatch can even keep track of your heart rate in real-time. This feature is especially beneficial for those who are active. It can help you monitor your sleep pattern and give you a better idea of when you should stop working out. The app provides notifications about upcoming workouts, if you’d like.


If you are unable to charge your Li-Po battery pack (it won’t accept a charge, or the charger shows an error) there are a few possible causes…
Faulty li-po charger?
Probably the least likely, but worth checking first that another battery pack charges to ensure it is not your li-po charger at fault.
A broken connection
There could be a broken connection somewhere, such as your charge lead/wires, the li-po wires or battery connector. A continuity tester or multimeter can be used to check any wires, plugs or connectors.
Connectors should be checked or cleaned to ensure a good low resistance connection. Any frayed wires will also affect performance so make sure these are repaired/cut/re-soldered etc.
Over-discharged battery or cell
OR, you could have over-discharged the battery pack (or one of its cells) – this can cause to the charger to not recognise that the battery is connected, or show a ‘connection error’.
Over discharged cells can happen for a number of reasons – for example:
- If you have been running your RC car or plane for too long without a voltage cutout set on the ESC.
- Not balance charging the battery pack, leading to one cell having a lower voltage
- One cell could have become faulty (more common on a well used or abused battery)
Permanent damage can be done to a Li-Po battery or one of it’s cells if it is over-discharged. It is recommended that you set your ESC voltage cutout so that the battery can not drop below 3.0v or 3.3v per cell. Check with the battery paperwork or manual if you can to confirm the lowest safe voltage.
When not being used for more than a few days, always store your Li-Po batteries at the correct storage voltage (for example, 2s battery stored at 7.6v).


Authentication Protocol - Wikipedia
- Accepting proof of identity given by a credible person who has first-hand evidence that the identity is genuine. This can be organised centralised or decentralised.
- Comparing the attributes of the object itself to what is known about objects of that origin (e.g. a painting).
- Relying on documentation or other external affirmations. In criminal courts, the rules of evidence often require establishing the chain of custody of evidence presented.
- PACE Password Authenticated Connection Establishment
- Developed by the German Bundesamt für Sicherheit in der Informationstechnik (BSI), free of patents
- Establishes a shared session key between a contactless smartcard and terminal using the DH key agreement protocol
- As DH key agreement does not support authentication it is vulnerable to man-in-the-middle at-tacks. To prevent this and to ensure user consent, PACE uses a password-based protocol to protect the wireless communication interface between the terminal and the card before the card is accessed. In the most common scenario a PIN, permanently stored in the card and entered into the terminal by the user.
- As the password is used during the calculation of the session key, entering a wrong password leads to different session keys on both sides which causes the connection establishment to fail.
IPSEC is a network protocol suite that authenticates and encrypts the packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. It is used in virtual private networks (VPNs).
SSH is a network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution.
SSH operates as a layered protocol suite comprising three principal hierarchical components:
SSH may be used in several ways. In the simplest manner, both ends of a communication channel use automatically generated public-private key pairs to encrypt a connection, and then use a password to authenticate the user.
Command: 'ssh -V' gives version (OpenSSH), 'man ssh' gives info.
'ssh -Q cipher' queries symmetrical ciphers, e.g.
- the transport layer provides server authentication, confidentiality, and integrity
- the user authentication protocol validates the user to the server
- the connection protocol multiplexes the encrypted tunnel into multiple logical communication channels
'ssh -Q cipher-auth' queries symmetric ciphers that support authenticated encryption), e.g.
'ssh -Q mac' queries macs, e.g.
'ssh -Q key', 'ssh -Q key-cert' and 'ssh -Q key-plain' query key types.
'ssh -Q kex' queries key exchange algorithms, e.g.
'ssh -Q sig' queries signature algorithms, e.g.
Quantum Key Distribution
A secure communication method which implements a cryptographic protocol involving components of quantum mechanics. It enables two parties to produce a shared random secret key known only to them, which can then be used to encrypt and decrypt messages.
Other selective protocols
- Wultra Powerauth
- Wultra Powerauth developer doc
- A protocol for a key exchange and for subsequent request signing
- Based on a used cryptography, a security scheme and standard RESTful API end-points
- A secure asymmetric password-authenticated key exchange (aPAKE) that supports mutual authentication in a client-server setting without reliance on PKI and with security against pre-computation attacks upon server compromise
Fiat-Shamir (creating a signature on a proof of knowledge)
The Fiat–Shamir heuristic is a technique for taking an interactive proof of knowledge and creating a digital signature based on it. This way, some fact (for example, knowledge of a certain secret number) can be publicly proven without revealing underlying information. The technique is due to Amos Fiat and Adi Shamir (1986). For the method to work, the original interactive proof must have the property of being public-coin, i.e. verifier's random coins are made public throughout the proof protocol.
Direct Anonymous Attestation
A protocol that enables remote authentication of a trusted computer whilst preserving privacy of the platform's user. It has been adopted by the Trusted Computing Group (TCG). See also ISO/IEC 20008.
- 'A Graduate Course in Applied Cryptography' - Dan Boneh and Victor Shoup, part III protocols (proving properties in zero-knowledge)
- ZK proof - Wikipedia
Consider a client owning a public input x, a server owns a private input w, and the client wishes to learn z := F (x, w) for a program F known to both parties.
For instance, x may be a query, w a confidential database, and F the program that executes the query on the database.
- The client is concerned about integrity of computation: how can he ascertain that the server reports the correct output z?
- In contrast, the server is concerned about confidentiality of his own input: how can he prevent the client from learning information about w?
- The server, acting as the prover, attempts to convince the client, acting as the verifier, that the following NP statement is true: “there exists w such that z = F (x, w)”. Indeed:
- The soundness property of the proof system guarantees that, if the NP statement is false, the prover cannot convince the verifier (with high probability). Thus, soundness addresses the client’s integrity concern.
- The zero-knowledge property of the proof system guarantees that, if the NP statement is true, the prover can convince the verifier without leaking any information about w (beyond was is leaked by the output z). Thus, zero knowledge addresses the server’s confidentiality concern.
- Moreover, the client sometimes not only seeks soundness but also proof of knowledge which guarantees that, whenever he is convinced, not only can he deduce that a witness w exists, but also
that the server knows one such witness. This stronger property is often necessary to security if F encodes cryptographic computations, and is satisfied by most zero-knowledge proof systems.
zk SNARKS (Succinct Non-Interactive Zero Knowledge)
Many works have obtained zk-SNARK constructions.
Camenisch and IDEMIX
Brands and Microsoft U-Prove
BBS and BBS+
The BBS+ signature scheme, described by Ho Au et al. as an extension of the BBS group signature scheme by Boneh et al. , is a signature scheme often adapted to support a feature called selective
- Dan Boneh, Xavier Boyen, and Hovav Shacham. "Short group signatures." Annual international cryptology conference. Springer, Berlin, Heidelberg, 2004.
- Man Ho Au, Willy Susilo, and Yi Mu, Constant-Size Dynamick-TAA, International conference on security and cryptography for networks. Springer, Berlin, Heidelberg, 2006.
The Signal protocol is a cryptographic messaging protocol that provides end-to-end encryption for instant messaging in WhatsApp, Wire, and Facebook Messenger among many others,
serving well over 1 billion active users.
It requires servers so it's not P2P.
It includes several uncommon security properties (such as "future secrecy" or "post-compromise security"), enabled by a technique called *ratcheting* in which session keys are updated with every message sent.
The protocol combines the Double Ratchet algorithm, prekeys, and a triple Elliptic-curve Diffie–Hellman (3-DH) handshake,
and uses Curve25519, AES-256, and HMAC-SHA256 as primitives.
I2P is a scalable, self organizing, resilient packet switched anonymous network layer, upon which any number of different
anonymity or security conscious applications can operate. Each of these applications may make their own anonymity, latency,
and throughput tradeoffs without worrying about the proper implementation of a free route mixnet, allowing them to blend
their activity with the larger anonymity set of users already running on top of I2P.
- I2P doc
- I2P ntcp
- I2P ntcp2
- NTCP2 is an authenticated key agreement protocol that improves the resistance of NTCP to various forms of automated identification and attacks
- NoiseProtocol - WhatsApp, I2P, ...
- Noise is a framework for crypto protocols based on Diffie-Hellman key agreement.
Nebula is a scalable overlay networking tool with a focus on performance, simplicity and security. It lets you seamlessly connect computers anywhere in the world. Nebula is portable, and runs on Linux, OSX, Windows, iOS, and Android. It can be used to connect a small number of computers, but is also able to connect tens of thousands of computers.


PinTech invites you to participate in the "High Performance Power Technology Seminar" in Foshan & Dongguan
On July 5th, 2019, PinTech Co., Ltd. and 21Dianyuan held the Motor Drive Control & Power Magnetic Component Technology Seminar at the Gordon Hotel Shunde (3rd Floor International Conference Center), invited Professor Wang Gaolin (Professor of Harbin Institute of Technology, Doctoral Supervisor), Professor Shao Geliang (Igor Electric Co., Ltd.) The vice president/chief scientist gave lectures on site. This meeting provided an in-depth analysis of the core technical problems of permanent magnet synchronous motors (PMSM) for engineers to effectively improve system reliability and reduce costs. I believe that in this meeting you will meet new friends in the industry and get technical help and improvement.
On July 6th, 2019, A seminar on switching power supply magnetic components & electromagnetic compatibility technology will be held at Baohao Winpark Industrial Park in Dongguan. Lin Subin, associate professor of Fuzhou University, and Xu Qianghua, chief filter design expert of TYCO Group, will give lectures on the basis of sharing the basic concepts of electromagnetic compatibility design and EMC test principles. The interference mechanism, the electromagnetic interference noise source of the magnetic component, and the influence mechanism of the noise transmission path impedance help the engineers to deeply analyze the core technical issues. Electromagnetic compatibility of switching power supply magnetic components is one of the hotspots of engineers. We will carry our products to the field to communicate face-to-face with engineers. We provide simple and efficient solutions for oscilloscope probe measurement technology. Invite you and look forward to your visit!


SoftwareThis page contains links to the various software applications hosted by Flexweb. Most of the software is available for download by academic groups as both executable-only and full source code distributions. Commercial licenses are also available. We also provide a web interface to most of the software that will allow you to run the programs on our server. Your results will be stored on our server, and you may download the results files to your computer at any time. In most case we provide a graphical representation of the data as well. Access to the software requires that you register with Flexweb. If you haven't already done so, please take a moment to register.
FIRSTThe primary software hosted by Flexweb is FIRST (Floppy Inclusions and Rigid Substructure Topography), which now contains a new module, named FRODA (Framework Rigidity Optimized Dynamics Algorithm). Now it is possible to determine the flexibility in a structure AND explore the conformational space accessible to flexible regions.
2D Pebble Game
The 2D Pebble game is an algorithm to find the rigid regions (both unstressed and stressed) and the joints between them in a 2-dimensional network. The Pebble Game uses graph theory and an integer algorithm and so is extremely fast. A 3D version is available through FIRST 6.


Automatic security boom gates
- Rotech Group Pty Ltd
Rotech has been manufacturing and supplying automatic boom gates within Australia as well as overseas since 1999. We provide customised, high quality products with good technical back up and fast efficient service for all types of industries and commercial buildings.
Our Sentinel PL Boom gates are locally manufactured within Australia and can be engineered to your specifications – our range includes:
AUSTRALIAN MADE SENTINEL PL heavy duty, 100% duty cycle automatic boom gate
The durable Australian made Sentinel PL is boom gate has a 100% duty cycle and opens in just over 2 seconds. Flashing lights, sirens, status indication and mobile phone operation can be added and easily managed with the PLC controller.
A proven torque motor design eliminates the need for limit switches, reduces the amount of wearing parts and minimizes maintenance.
The boom gate can be controlled by any access control system, remote radio transmitters or coin / token collectors.
The functions of boom gate can be specified to suit several applications, whilst the colour of the cabinet can be changed to conform to any company branding.
With 3, 4.5 and 6 metre arms the Sentinel PL boom gate is a safe, fast and effective way of protecting properties against illegal vehicle entry.
The SENTINEL KL heavy duty boom gates for entrances up to 12 metres
With an opening speed of 12 seconds, the Sentinel KL heavy duty boom gates allow a much faster vehicle throughput than sliding gates. The electronic safety edge and ground loop detectors ensure optimum safety of vehicles and personnel. The 200 mm diameter amber flashing warning lights ensure that the boom poles are visible in all weather conditions.
The Sentinel KL gates can be operated by computerised access controls using TCP/IP or RS485 protocol. They feature various facilities like directional vehicle counting, boom pole missing alarm and traffic light control, for better operation and traffic regulation. These gates are high quality, heavy duty, feature-rich products, which are very durable and are designed to suit any environment.
The SECTOR DC Boom Gates are suitable for up to 3000 operations per day and can be configured to operate on solar power
The Sector DC boom gates have electronic safety sensing to protect vehicles and pedestrians. Battery backup enable the boom gates to operate even when power fails. They have an in-built radio receiver and a 365 day programmable timer that allows you to set the gate to open and close automatically at specific times. Variable opening and closing speed combined with damping, ensures a smooth operation and longer life-span of the boom gate. The user friendly controller featuring an LCD display facilitates quick and easy setup.
ROTECH’S BOOM GATE RANGE includes:
- High duty cycle for busy shopping centres.
- Solar power with battery back-up for remote locations.
- Heavy duty span entries of up to 12 metres for mines and heavy industry
- Manual Boom Gates as a low cost alternative suitable for temporary installations, such as building sites, or where power supply is an issue.
To meet the increasing demands for higher safety requirements for doors and gates - Rotech provides many compatible safety accessories for safer and secure operating environments:
- Wide variety of PE Safety Beams and Light Curtains options to choose from
- Fast, programmable, latest technology in loop detectors
- Long range remote radio control systems - we have a solution for most situations.
Request more information
For brochures, pricing, samples, technical specs and more, contact the supplier directly or use the form below.
- Aluminium Gates
- Aluminium Products
- Automatic Boom Gates
- Automatic Closing Gate
- Automatic Entry
- Automatic Gates
- Boom gates
- Electronic Controls
- Entrance Gates
- Flashing Lights
- Safety Gates
- Vehicle Gates
- Security, safety and signage
- Gates, fences and balustrades


Take It Anywhere, Protect Your Privacy Everywhere
The ultimate solution for protecting your privacy and ensuring that you are not being monitored by hidden cameras. This powerful device uses advanced radio frequency (RF) detection technology to scan your surroundings and detect the presence of any wireless cameras that may be hidden from view.
The 2023 Hidden Camera Detector is designed to be easy to use, with a simple and intuitive interface that allows you to quickly and easily scan for hidden cameras. Simply turn on the device, select the appropriate frequency range, and scan the area. If the detector detects any RF signals that are within the range used by wireless cameras, it will alert you with an audible and visual notification.
This device is highly effective at detecting a wide range of wireless cameras, including those that may be hidden inside everyday objects such as clocks, picture frames, and smoke detectors. It can also detect cameras that are located up to 10 meters away, making it ideal for use in larger spaces.
Whether you're at home, in the office, or on the go, this powerful device will give you peace of mind and the confidence that your privacy is protected.
Adjustable Sensitivity Button
Can accurately detect mobile signals and radio waves within 8 meters, and can also detect electronic devices with frequencies between 1Mhz-6.5Ghz. 6 levels of adjustable sensitivity allow it to detect devices that are invisible to your eyes more accurately
Equipped with a lithium-ion rechargeable battery that holds 2.5 hours of charge. With the average sweep taking 10-15 minutes, you can go months without worrying about charging!
Lightweight and Portable
The hidden devices detector weighs only 0.7 oz, so it won't feel heavy in your hand or pocket. Much lighter than a phone or wallet, it's easy to carry and store in a purse, backpack, suitcase, etc. Perfect for traveling!
Pen-sized. Easily portable and discrete.
Easy to operate.
Simply scan up, down, left, and right. A loud and sustained beeping (or vibration on vibration mode) indicates the presence of a hidden camera. Turning on the red light can then help spot the camera lens.
How does it work?
- The device only has 2 buttons, Sensitivity buttons and mode buttons.
- To turn on, keep the mode buttons pressed for 3 seconds until a “Beep” is heard. When you turn it on, it will be in automatically in Wifi mode.
- To switch between the different modes, press the mode buttons once for each mode.
- The Sensitivity buttons is used to switch between the different levels of sensitivity, it has 5 levels. Press the Sensitivity buttons once to change within levels of sensitivity.
- Once the device detects a device, it will sound constantly.
- To put the device in silent or Mute mode, press the Sensitivity buttons for 10 seconds until a “Beep” is heard，Switch to the silent state.repeat this operation to switch to the audible state.
How does the Hidden Camera Detection Work?
Simply turn on the hidden camera detector, extend the wand, and walk around with it until it starts beeping. If it beeps loudly and continuously, especially when you have it set to a low sensitivity, it's very likely you're near a hidden camera. You can then use the red light to confirm the presence of a hidden camera. If you see a blinking red dot while using the red light, that's most likely a camera lens!
Turn on the camera search mode. The IR light has 3 settings (long/slow/fast). The special viewfinder built into this detector makes it easier to see the reflections of a camera lens. A camera lens will appear as a bright spot when you look through the viewfinder. The camera detector also has a flashlight for easy camera finding at night!
How does the Radio Waves Detection Work?
Wireless bugs transmit RF (radio frequency) signals such as WiFi signals, GSM cellular signals, etc. The RF Bug Detector picks up these signals, shows greater signal strength on the signal strength indicator as you get closer to the source, and finally alerts you with a sound or vibration. Please turn off electronic devices known to emit RF signals before searching to eliminate any RF interference or signal interference, such as cell phones, radios, WiFi routers, microwave ovens, telephones, etc.
How does GPS Tracking Detection Work?
If you want to detect whether your car has a GPS tracker installed, simply switch to GPS detection mode and scan your car with the detector sensor probe. Because most GPS trackers are magnetic, the detector will make a sound or vibrate (either setting is available) when it detects magnetic fields from a GPS tracker.
Can you turn off the sound?
Yes, this product has both a sound and vibration mode. Switch between both modes with a simple press of a button.
Working time: 25 consecutive hours
Signal detection range: 5cm-8m
Sensitivity: 5-level adjustable
Receiving frequency range: 1MHz -- 6.5GHz
Optical lens: special special filter
Charging power supply: DC5V/1A
Charging interface: Type-C
Battery: 3.7V/400mA polymer lithium battery
Antenna gain: - 56db
⚡Stock sells fast - get yours today!
Please consider any holidays that might impact delivery times.Please consider the transportation methods and unexpected situations that may affect the delivery time.


The Orbit 7120 scanner provide aggressive omnidirectional scanning in an award-winning design for retailers seeking an affordable, aesthetically-pleasing scanning solution. Orbit, the all-time, best-selling hands-free omnidirectional scanner, presents an innovative, elegant and affordable solution for convenience retail applications where counter space is at a premium. Compact, lightweight and rugged, Orbit maximizes customer satisfaction and employee efficiency with a patented 20-line scan pattern, an easy-to-find sweet spot and a scan speed of 1,120 scans per second.
Voyager 9500 series of hand-held, single-line laser scanners offer aggressive scanning of all standard 1D bar codes. The Voyager series of hand-held, single-line bar code scanners have united form with function in becoming the industry benchmark for value and performance.
VoyagerCG 9540 also includes patented CodeGateŽ technology which allows the user to easily target the desired bar code and complete data transmission with the press of a single button.


Since 1984 the ROSE
Company has been manufacturing
photomasks for research, development and production purposes for
European customers. The photomasks are produced and tested with a very
cost-effective method using laser lithography and very powerful software.
The photomasks are produced with a very high degree of precision and
freedom from defects and adapted to fully meet the needs of our
customers, and that with 1 to 3 day delivery periods.
Our photomasks are used in the fields of semiconductor technology,
integrated optics, hybrid and microwave technology, sensor systems,
radio astronomy and micromechanics.
In addition to the photomask technique with glass plates,
also offers customer-specific technology steps to facilitate the
production or development of miniaturized component parts.
Direct writing per customer
data on wafers
or any other kind of substrate.
Three-dimensional exposure of analog
photoresists per customer data
(Gray Scale Process)


Social Media News Release
Qualcomm Showcases Snapdragon Mobile Development Platform for Developers
Agency ContactSean Jackson or Robert Haslam
+44 (0)20 7751 4444
Social Network Video
First Snapdragon MDP Features 1GHz MSM8655 Chipset, Available in Q4 of 2010
Qualcomm has been showcasing its Snapdragon™ Mobile Development Platform (MDP), designed to help content developers and publishers maximize the performance of applications on Snapdragon chipsets, at the Company's second annual Innovation Qualcomm event. The first Snapdragon MDP is based on the 1GHz MSM8655™ chipset and features:
"First-generation Snapdragon chipsets are currently in more than 20 commercial smartphones, smartbooks and other connected devices, with more than 100 additional designs in development," said Raj Talluri, vice president of product management for Qualcomm CDMA Technologies. "The Snapdragon MDP will offer developers a powerful platform that utilizes our latest Snapdragon chipset, the MSM8655 chipset, which delivers a new level of multimedia performance and will help enable the global development community in their efforts to deliver exciting new mobile applications taking advantage of all the hardware capabilities that Snapdragon devices can offer."
BSQUARE Corporation will be selling, distributing and supporting the MSM8655-based Snapdragon MDP, which is currently available for pre-order at www.bsquare.com/qualcomm."
As the leading software solutions provider to the global mobile and embedded device community, we are proud to offer the Snapdragon MDP based on Qualcomm's MSM8655 chipset," said Michael Tidwell, vice president of market development for BSQUARE. "The Snapdragon MDP will help application developers bring their solutions to a market clamoring for new mobile applications, and Qualcomm's chipset technology combined with BSQUARE's world class support, software services and TestQuest testing automation tools will help developers meet this demand as quickly as possible."
A second-generation Snapdragon MDP based on the dual-core MSM8660™ chipset will be available in the first half of 2011.
Qualcomm is a registered trademark of Qualcomm Incorporated. Adreno, Brew Mobile Platform, MSM8655, MSM8660, and Snapdragon are trademarks of Qualcomm Incorporated. All other trademarks are the property of their respective owners. In the territory of the Federal Republic of Germany, the use of the term "Smartbook" in connection with portable computers is reserved exclusively to Smartbook AG, Germany.


Experiment 1: rc circuits 1 experiment 1: specifically you will use the multimeter and oscilloscope during this lab recall that the oscilloscope. Data/graph set 1 data set 1 shows the graphs for the charge and discharge times of the various resistors and capacitors used in the circuits within the trials. Purpose to investigate the current flow and voltages in series and parallel circuits, and also to use ohm’s law to calculate equivalent resistances of series and parallel circuits. Circuit lab (circuitlab)'s profile and public circuits, schematics, and circuit simulations on circuitlab. First to light lab teacher’s all parts of the lab report sublevel 1 of the electric circuits module is a suitable.
1 laboratory – 4 ac circuits phasors, impedance and transformers objectives the objectives of this laboratory are to gain practical understanding of. Lab 3 - simple dc circuits l03-3 university of virginia physics department modified from p laws, d sokoloff, r thornton phys 2419, fall 2011. Circuit capacity report any facilities-based common carrier with active satellite or terrestrial circuits between the united states and a foreign point (2.
Series and parallel resistive circuits physics lab viii objective v = ir (1) where v is the voltage in this lab, combinations of. Title: microsoft word - lab 7 - rc circuitsdocx author: gary morris created date: 3/23/2009 9:41:11 am. Laboratory physics i electronic lab experiments and instructions guido mueller lab 1: equipment, tools and simple resistor circuits page 2 lab 1. Circuits laboratory experiment 3 ac circuit analysis 31 introduction the steady-state behavior of circuits energized by sinusoidal sources is an.
General physics experiment 4 capacitance and inductance include a statement that the work done in this lab and submitted in this report is yours and your partners. “series and parallel circuits” adam capriola and ben york experiment performed: 3/16/10 report due and handed in: 3/23/10.
Lab v -1 laboratory v electric circuits electrical devices are the cornerstones of our modern world we depend on them for almost every aspect of our.
Series circuits lab series circuits lab objectives: 1 to apply series circuits difference and record in table 1 discuss the results in your report. Title circuit lab 1 - properties of electric circuits: description this lab is based off of trish loeblein's circuit lab 1, but i revised it for a regular physics class. Experiment 7: rc circuits introduction capacitors are used in timing circuits in many devices answer the following questions in your lab report: 1. Professor y chiu 1 lab 2: rectifiers the circuits we will be working with are specific guidelines for this lab: 1 the lab report should be segmented in to.


I was starting to panic, as I am running the Liverpool half-marathon tomorrow and the chest strap monitor that came with my Garmin Forerunner 305 suddenly stopped working yesterday. Previously there had never been any problem with the Ant+ device - the HRM1G - so I was a bit concerned.
After replacing the battery twice, I was no further forward. I even tried resetting the Forerunner unit itself.
A couple of Google searches later I came across this thread suggesting reversing the battery. I tried it, and the HRM1G registered straight away with my Forerunner unit. How very relieved I am.
Although the Garmin forum thread suggests that the polarity has been reversed, in effect the upturned battery is just short circuiting the two contacts due to the shape of the battery.
A useful hint to know.


When it concerns Technology, there are several kinds to select from. Electronic innovation uses electronic circuits of different levels of intricacy. As an example, every little thing that works on electrical power is thought about electronic. Examples of electronic innovation are computers, washing equipments as well as clothes dryers, MP3 players, tvs, and automobile radios. Modern technology can be more divided by the function that it serves. As an example, computer technology could fix a trouble that specifies to one market, while a digital car radio can address an issue that is much more general.
Computing is so common in today’s culture that it has actually permeated basically every facet of our lives. We are no more restricted to using one desktop computer, though many individuals utilize multiple computing devices. Another expanding area of innovation is the Net of Points (IoT). As billions of connected gadgets around the world gain access to the net, they all call for some kind of IT know-how. This includes Internet-enabled cars and trucks, drones, robots, clever houses, and several various other kinds of IoT.
A few of the most advanced modern technologies originated from industrial setups. As an example, today’s autos are almost completely built by robots. And a lot of us have our very own Roomba robotic in our residence. Utilizing robots for house cleansing, on the other hand, is just one of the most prominent methods to maintain our residences tidy. However not all advances are good. We need to comprehend the background of Technology before we can establish whether it is a good thing or a negative point.
Industrial Innovation: Production innovation allows individuals to produce things on a large scale. It can also aid create electricity. Lots of examples of industrial innovation are cars and truck production and also electrical energy. Numerous scientists as well as engineers utilize space program items in their very own production. Likewise, nuclear imaging allows doctors to see inside the body. A combination of computer technology and nuclear technology has actually enhanced medical care. There are a lot of instances of technological development. The globe is a better place currently than it was centuries back.
The advantages of modern technology are numerous. A business should utilize the most up to date innovation to make its employees more effective and save sources. If you had to select in between an old typewriter and a contemporary computer system, the previous would be a better alternative for the company. Nevertheless, having the current modern technology is pricey, particularly if you are not a computer system master. Lots of people can’t manage the current phone, however technology can aid us make decisions a lot more conveniently. It makes our lives simpler as well as conserves us cash.
IT facilities vary. These consist of everything from computer hardware to telecommunications equipment as well as virtualization to automation devices. The Net, the telephone, and the printing press are all applications of IT. These systems were established to help with info exchange. Today, computers are not limited to a single gadget however include mobile phones too. And also they all link to each other using local area network and also the Internet. They offer our lives with countless benefits and also are transforming the method we live.
Technological advancement has actually produced an improved requirement of living for individuals in various countries. The polio infection was gotten rid of by a vaccine, the internet aided break down social obstacles, and also computer systems have actually improved access to education. However, the benefits of technology are much exceeding the downsides. The benefits of modern technology are even more countless than the downsides, so allow’s take a look at a few of them. Listed below are a few of them:
The nature of innovation is shaped by interfering power. Innovation can be superb, such as planetary science, or entirely ordinary, such as cleaning one’s teeth. Investigating the function of interfering power in technology might aid us recognize the significance of words ‘designed’ and also’material’ in our daily lives. Here are several of the favorable results of checking out the role of innovation in our lives. So what are the advantages of modern technology?
Several organizations use innovation to take on various other companies. Via technology, they can develop brand-new services and products and also deliver them within spending plan. Also local business can utilize modern technology to gather consumer info and tailor brand-new products and services for their clients. And, as we make use of innovation, we’re frequently establishing it. But it’s not just the huge corporations utilizing it – we’re utilizing it everyday too! Technology has made our lives simpler. It is a day-to-day requirement for all of us.
The process of developing modern technology generally includes a collection of actions, each of which confirms underlying concepts, tests them versus reality, and increases the self-confidence of the researchers. While this series is rather regular, some early-stage technologies are not likely to get to full potential and also stall out mid-development. This is what is called ‘the death valley’ of technology advancement. And it takes a continual effort to conquer it. This is where the science-technology connection starts to come together.
Technology relates to every aspect of our lives. Whether it’s mobile phones, laptop computers, computers, or perhaps television, we utilize innovation daily. Numerous types of technology are made to make certain processes less complicated or a lot more efficient. A deeper understanding of technology will improve our lives as well as might also result in a job in the location. The adhering to list of examples highlights some of the most popular modern technologies. So, if you want learning more concerning innovation, it deserves looking into it.
In addition to its value, technology can be a method to achieving values. The process is a reasonable one, producing means to transform issue, power, and details into beneficial kinds as well as things. Modern technology encompasses a diverse variety of items, from toothbrushes to transportation systems. It is likewise the expertise that makes these things possible. There are several different types of technological items, and also each belongs to the following. Making use of innovation to boost human life is a fantastic means to produce a better world. click here
The 20th century produced several breakthroughs in technology. The exploration of nuclear fission brought about nuclear power as well as weapons. The next generation of technical development was fueled by the harnessing of electricity. Electric motors, the light bulb, and powered trip were all birthed from the 2nd industrial change. Technological advancements have made it possible for the human race to build high-rises, wide cities, as well as mechanized transportation. So, we can claim that technology has actually brought us closer to our goals and also dreams.


Fibre optic transmitter with 5 RF inputs (4 satellite and 1 terrestrial) and 1 fibre output.
It is part of the new range of optical transmitters and receivers for the distribution of satellite and terrestrial signals over standard single-mode fibre. These products are ideal for covering long distances and repositioning system headends.
An OPT-RX51 receiver is used in a system with the OPT-TX51 transmitter. Auxiliary input/output enables the use of additional services (Ethernet, TVCC…) within the same installation.


A coil of insulated copper wire is connected to a galvanometer. What will happen
if a bar magnet is :
(i) pushed into the coil ?
(ii) held stationary inside the coil ?
(iii) withdrawn from inside the coil ?
(NCERT Book Question)
Solution. (i) As a bar magnet is pushed into the coil, a momentary deflection is observed in the
galvanometer indicating the production of a momentary current in the coil.
(ii) When the bar magnet is held stationary inside the coil, there is no deflection in galvanometer
indicating that no current is produced in the coil.
(iii) When the bar magnet is withdrawn (or pulled out) from the coil, the deflection of galvanometer is
in opposite direction showing the production of an opposite current.


The display normally shows the actual temperature of the inner kettle, but a keypress gives access to display and alter the temperature setpoint. This is set quickly and precisely between 1-120°C. The large arrows change the setting by 10°C, while the small arrows change the setting by 1°C. The heating power is controlled automatically to ensure that the temperature setpoint is achieved.
The control has an integrated water flow meter and water is added to the kettle by setting the required quantity and starting the filling process. Filling stops automatically when the required quantity of water has been added. The required quantity can be set to one decimal place. The remaining quantity is displayed while the water is being added. The user can easily stop the filling process and adjust the required quantity.
Small quantities of water are best added manually. Water is added to the kettle when the key is held down and the quantity added is shown in the display to one decimal place.
As a cheaper option, the water flow meter can be omitted and the quantity of water added calculated from an adjustable constant in the user menu. This works best with a stable water pressure. Alternatively, the time during which water is to be added can be set directly in the display in minutes and seconds.
The water passes through a large drip-free spout on the pillar.
The timer function stops the heating supply and activates an alarm at a set time or after a set period of time. The time is shown in the display and a visual or audible alarm can be connected if desired.The kettle’s tilt function is operated using keys on the control panel and the TiltBack function means that the kettle will automatically return slightly after tilting is stopped. This minimises overrun during emptying and makes pouring easier.
WaterLevelAutomatic ensures that the water level in the kettle’s steam generator is correct. This prevents unnecessary stoppages and also prevents the kettle from boiling dry.