When you go hiking, trekking, and mountaineering, finding your way around can be a challenge. This is especially true if visibility is poor or the landscape doesn’t have any distinct features.
In this case, a handheld GPS device can be a true lifesaver.
These days, most recreational hikers use their smartphones for navigating the great outdoors. Well, that is until their batteries die out or they get their phones smashed. Dedicated handheld GPS devices are far more durable than your standard smartphone and can easily withstand the harsh outdoor conditions. Plus, they have longer lasting batteries which are definitely a plus for outdoor use.
Today, we’re going to review the Garmin 64st – one of the most popular handheld GPS available. Is this handheld GPS right for you?
Garmin 64st Review
The Garmin GPSMap 64st is available in six different models:
- Base model
- With ANT + Bluetooth + Camera
- With ANT + Bluetooth
- With ANT + Bluetooth and Canada TOPO
- With ANT + Bluetooth and U.S. TOPO
- With Slip Case
The price differs based on the model you choose. For this review, we’re going to focus on the 64st base model.
The Garmin GPS 64st features a 2.6″ color display which is easily readable even under the sunlight. For this size, we thought that the screen is a little bit small, especially when compared to other devices in a similar price range. The screen is also not a touchscreen which can be a downer for many people.
However, the 160 X 240 pixel display delivers good clarity regardless of the lighting condition. The transflective display is quite tough which is great for most outdoor activities. Overall, it’s not the largest display but it gets the job done.
With GPS + WAAS + GLONASS combined with a very sensitive quad-helix antenna, we’ve never had any significant issues with accuracy. In both open and shady places, the signal acquisition has always been fast. Once the device finds your position, it stays locked in.
The built-in 3-axis electronic compass makes it simple for navigate old waypoints and tracks. Upon further testing, we can conclude that this is one of the best units in terms of satellite reception and accuracy.
Ease of Use
The lack of touchscreen hurts the usability of the device, especially for those who are used to using touchscreen devices. However, the Garmin GPS 64st features 10 large hardware buttons that work rather well, even when using gloves.
Regardless of the lack of a touchscreen, the buttons are easy to press and highly responsive. The large multi-directional pad works well for navigation, and the other buttons are working without issues.
We especially enjoy the mark button which made waypoint marking a lot easier.
The menus are also simple and easy to navigate. Although as expected, there’s a bit of learning curve when accessing more intricate features. Overall, the GPSMap 64st is a breeze to use even when you’re not a tech-savvy.
On a single charge, the battery life lasted for about 16 hours even with the always-on display. You simply can’t have this much power supply with a smartphone. The device is powered by AA batteries, so you can easily pack backup batteries with you during a trip.
Unlike your traditional smartphones, the backlight is not used except when indoors or in complete darkness. There is also a Battery Save Mode which extends the battery life even more by switching off the screen after a certain time.
Overall, battery life on the Garmin 64st is great.
The Garmin 64st comes with a built-in worldwide basemap, preloaded with TOPO 100k and a 1-year subscription of BirdsEye Satellite Imagery. However, you can easily add more maps if you choose to.
The device has an 8 GB onboard memory and even more expandable memory with the microSD slot. With this storage memory, you can simply download the map to your GPS and head out.
The Garmin 64st is for sale for approximately $260 for the ANT+Bluetooth and US TOPO model. For that price, we can say that the Garmin 64st offers good value. For such a price, you get a durable unit that is water resistant. Plus, it’s packed with a good number of features and reliable accuracy.
Buy or Not?
The outdoor GPS market is a very saturated one.
There are many units out there that offer great functionality and top-notch accuracy. With that said, we’re happy to say that the Garmin 64st is an easy recommendation.
There are some glaring issues such as the lack of touchscreen and the dated interface. However, it’s hard to like the robust construction, great accuracy, a good collection of relevant features.
Do you agree with this Garmin GPSMap 64st review? Is there are a particular unit that’s a better alternative than the 64st? Let us know your thoughts in the comments!


Stan spent over forty years providing technical solutions for complex electronic systems used to support: radar, computers, communications and signal processors. Since 1980, Stan has used computers to create graphical presentations, engineering designs, unique user interfaces, and, more recently, for photographic processing.
Stan has been an active photographer for over 50 years. Since the advent of the digital camera, Stan has combined his interests in the graphical design desktop with photography. Initially, Stan followed the advice of more experienced photographers and used Nikon DSLR camera equipment, but now, has changed to smaller, lighter, and more portable cameras. Today his primary cameras are mirrorless, and include the interchangeable lens Olympus OMD-5E and fixed lens Sony RX-10. In addition to these, Stan has shot with Fujifilm and Panasonic mirrorless products.
For the past ten years, Stan has taught photography classes at the Life-Long Learning Institute affiliated with George Mason University. Many of these classes have helped people learn how to take great photos with the cameras we always have with us, our smartphones.


Yesterday AWS announced Lambda Functions powered by AWS Graviton2 processors. A service that supports these new ARM processors. In this blogpost I will talk about the advantages of this new processor architecture.
AWS Graviton is a series of server processors that AWS released in 2018 based on ARM architecture for customers of its Amazon Elastic Compute Cloud (EC2) virtual machine instances. The first generation AWS Graviton processors featured custom silicon and 64-bit Neoverse cores.
At launch, AWS promised Graviton2 offered 40% better price-performance than comparable X86 processors and 7x better than first-generation AWS Graviton processors. The new-generation processors should also offer 4x compute cores, memory that’s 5x faster, and 2x as large caches compared to Graviton1 processors.
With Graviton2, AWS also made some key improvements to empower developers to create cloud-native apps that can run securely and at scale. That includes the always-on 256-bit DRAM encryption.
ARM processor family means they are likely to be a system on a chip. This further translates to lower power consumption costs while offering satisfying performance to most customers.
AWS Graviton cores are also built to improve efficiency in servers, mid-size data storing processes, micro-services and cluster computing.
AWS Graviton processors also offer up to 34.5% higher performance over traditional architecture. They also provide more straightforward processor implementations than X86 processors.
Lambda functions powered by Graviton2 are designed to deliver up to 19% better performance at 20% lower cost. AWS asserted that "Workloads using multithreading and multiprocessing, or performing many I/O operations, can experience lower execution time and, as a consequence, even lower costs."
The following runtimes running on top of Amazon Linux 2 are supported on ARM:
java8.al2) and 11
Price advantage: 20% better price performance.
Graviton2 is supported on RDS MySQL 8.0.17 (or higher) and RDS PostgreSQL 12.3 (and higher). With this regional expansion, Amazon RDS M6g and R6g instance.
Price advantage: 52% price improvement for RDS open-source databases depending on the database engine.
Graviton2 instances are supported by several open-source software distributions and services.
Here is the list of support for Graviton2 instances:
Price advantage: 40% better price performance over comparable x86-based instances
CodeBuild customers targeting ARM benefit from the enhanced capabilities of AWS Graviton2 processors. The upgrade delivers a major leap in performance and capabilities over first-generation AWS Graviton processors. They deliver 7x more performance, 4x more compute cores, 5x faster memory and 2x larger caches.


The ProTek Flex General Purpose Expansion module provides eight software-configurable signal inputs, two relay outputs with NO & NC outputs available on each and one audio input.
The Expansion Package comes with:
- One General Purpose I/O Expansion Module
- One 15 foot shielded 24 AWG cable for interconnect between the Flex monitor and the I/O Module with RJ-45 connectors on both ends.
- Four 4 foot 24 AWG cables for interconnect between the I/O Module and monitored equipment with RJ-45 connection on one end and no connector on other end.
Note that power is provided by the Flex. Connections to the user’s equipment (including power and ground) are isolated from the Flex monitor.
- Pricing: $245.00
Additional Cable option are available at time of purchase as indicted below.
- Flex to I/O Module cable
- Upgrade to 25 Foot – $9.00
- Upgrade to 50 Foot – $19.00
- Upgrade to 75 Foot – $28.00
- Upgrade to 100 Foot – $37.00
- I/O to equipment cable
- Any length, Plus $0.25 per additional feet above 4 feet.


VSRrepo is NOT available! :-(
Further information here: VSRepo
|The Retinex theory and algorithm mainly aims at simulating the color constancy feature of HVS(Human Visual System).
|GRAY444, YUV444, RGB, YCOCG444
|MSRCP(Multi Scale Retinex with Chromaticity Preservation) is based on MSR. It applies MSR on intensity channel, and adjust UV/RGB according to the filtering result of intensity channel to preserve chromaticity.
|MSRCR(Multi Scale Retinex with Color Restoration) is based on MSR. It applies MSR to each spectral channel (e.g. R, G and B), and modify the MSR output by multiplying it by a color restoration function of the chromaticity.


By TERRELL HEADEN, Special to The Carolinian
During its annual Worldwide Developer’s Conference (WWDC) keynote this year, the company announced some major privacy upgrades that will come with iOS 15 and iCloud—here are some of the biggest.
First up is Mail Privacy Protection, which is a new tab in Apple’s Mail app that’s meant to do what the name implies: letting the user decide what data the program shares. A tracking pixel — typically a single-pixel image — is how marketers know whether an email gets opened. When an email containing an invisible pixel is opened, the image connects to the sender’s server, while also funneling back sensitive data like users’ IP address, device location, and the email client used. Under this new tab, users can choose to hide their IP address and location details from email senders, a bit like the recent iOS 14 updates that keep apps from gobbling up details like precise location and a phone’s mobile ad ID. As an added benefit, Apple says its new mailbox settings will keep people from tracking whether you opened the email they sent you and when that email was opened.
On top of the inbox updates, the company also announced new “app privacy reports,” which will give more detailed information about how non-Apple apps are tracking your activity across your devices. Similar to the Safari privacy reports, these will break down which apps on your device are accessing what kind of data, and how much of that data gets sent to specific third-party trackers. As part of that report, users will also get an overview of how often a given app accessed your microphone, camera, or precise location over the past week. The worst privacy offenders are now the offended.
Apple’s iCloud is getting a new private relay service and the ability to create burner emails called “Hide My Email.” The feature enables the ability to generate one-off burner emails when signing up for a service on the web without having to give away the actual email address. These will be part of a new iCloud Plus subscription, which will be offered at no additional price to current iCloud paid users. Private Relay, a new VPN service built into iCloud that will let users browsing on Safari completely encrypt their traffic. Apple says this setting ensures that “no one between the user and the website they are visiting can access and read” any data sent over Private Relay, not even Apple or the user’s network provider.
The feature ensures that traffic leaving the device is encrypted before forwarding the requests through two internet relays, thus creating a simplified version of the Tor, which uses at least a minimum of three relays to achieve anonymity. “All the user’s requests are then sent through two separate internet relays,” Apple says. “The first assigns the user an anonymous IP address that maps to their region but not their actual location. The second decrypts the web address they want to visit and forwards them to their destination. This separation of information protects the user’s privacy because no single entity can identify both who a user is and which sites they visit.”
Even Siri is getting a privacy upgrade with on-device speech processing. Not only is Siri now capable of handling offline requests, but the audio requests are also now fully processed on the device itself, with the virtual voice assistant putting “on-device personalization” to use in order to tailor content based on device usage patterns. “This addresses one of the biggest privacy concerns for voice assistants, which is unwanted audio recording,” Apple notes.
With the announcement of iOS 15, which brings improvements to FaceTime such as spatial audio, a new “SharePlay” feature that lets you share media with people on FaceTime virtually, updates to Messages, a new look for notifications, the ability to set different “Focus” statuses, updates to Memories in Photos, a redesign to the weather app, and much more. As much as Apple is making privacy front and center, they are also making devices more interconnected and friendlier with non-Apple machines.
The biggest indicator of the new ideology was FaceTime’s, new upgrades including spatial audio, background blur and a grid view. The app will also now work with Android devices and PCs through a web app, meaning you can share FaceTime calls with people even if they don’t own Apple hardware. It’s a first.
FaceTime is about to become a genuine Zoom rival, with the addition of new users on other platforms and devices, new audio isolation features allowing voices to be enhanced while drowning out background noise, and the ability to create and schedule links to FaceTime calls in advance.
A new feature called Universal Control will add a new level of usability for Apple device users, all 600 million users who upgrade to iOS 15 will have the ability to work across multiple devices by simply dragging work from one device to the next. Start a project on your Mac and drag it to your iPad for use in another application. Copy and Paste work across devices on the fly to create stunning presentations, videos and more. This is done with one mouse, trackpad, or keyboard. Content creators, rejoice.


This series considers the invisible medium inside every digital camera: Photosites
Photosites are light collectors. They are at the heart of every digital camera, and the only light-sensitive element utilized in digital imaging. If photography is defined as writing with light, then photosites are, at least, partially scribe.
Within each camera’s image sensor there are millions of them; minute, light sensitive, silicon chambers. They hold light, just for a moment, before converting it into a signal that is legible to our various electronic devices. My images document this last light before digitization. These instances–when light is simultaneously received, reflected, amplified, and absorbed–are usually “visible” to the camera alone.
Over the last year I have collected image sensors from an array of disused and dismantled digital cameras. I then use a microscope to capture still and moving images of these usually hidden sites of creation and translation.
(Available for exhibitions and screenings | Contact: email@example.com)


Researchmoz.us add new market research report"Taiwanese Tablet Application IC Market Development, 4Q 2012" to its vast collection.
The massive shipment of the tablets such as the Google Nexus tablet and the Amazon Kindle Fire HD dealt a blow to the Taiwanese tablet application IC market in the third quarter of 2012, leading to landscape changes in application processor and wireless communication IC markets. This report profiles the development of application processors and wireless communication ICs in the Taiwanese tablet industry and examines the future trends in the said industry.
Get more information@ http://www.researchmoz.us/taiwanese-tablet-application-ic-market-development-4q-2012-report.html
Table of Contents
1. Development of the Tablet Application IC Market
1.1 Market Volume
1.2 Development of Tablet Application IC Suppliers
2. Development of Wireless Communications IC Market
2.1 Market Volume
2.1.1Wi-Fi Chip Market
2.1.2 3G/4G Chip Market
2.2 Development of Wireless Communications IC Suppliers
2.2.1 Wi-Fi Chip
2.2.2 3G/4G Chip
3. MIC Perspective
List of Table:
Table 1 Tablet Application Processor Branded Vendors and Their Contract Manufacturers, 2012
Table 2 Major Wi-Fi IC Suppliers and Their Contract Manufacturers
Table 3 Major 3G/4G IC Suppliers and Their Contract Manufacturers
List of Charts:
Figure 1 Taiwanese Tablet Application IC Shipment Volume, 1Q 2011 – 3Q 2013
Figure 2 Taiwanese Tablet Wireless Communications IC Shipment Volume, 1Q 2011 – 3Q 2012
ListFree.org: Embedded data.


Leadshine’s fully digital AC servo drive ACS606 is developed with 32-bit DSP based on advanced control algorithm. Since its input commands are PUL/DIR signals, the users can upgrade stepping drives to the ACS606 without changing control systems. The ACS606 can offer high precision, high speed and high reliability performance, and widely used in inkjet printers, engraving machines, and etc. A built-in controller can be used for testing and tuning. PC based and handheld configuration & tuning tools can meet different tuning environments or requirements. The ACS606 can drive both DC brushless and AC servo motors.But it is more suitable for the DC brushless servo motors. Compare to the ACS806, the ACS606 has less I/O, thus has smaller size and higher cost-effective.
Advance DSP current control technology Step & Dir, or CW/CCW control
Input voltage: 18 – 60 VDC Continuous current: 6 A Peak current: 18A
Capable of driving 10 – 360 W brushless servo motors Electronic gear rate from 1/255 to 255
Built-in motion profile for testing with trapezoidal velocity profile
Opto-isolated Small size, surface-mount technology


International Conference on the Physics of Semiconductors heading to Sydney in 2020
Australia’s world leadership in the research of semiconductors, from quantum computing to advanced 2D materials and quantum electronics, played a key role in Sydney securing the event, which will see approximately 800 international experts in the field come together to shape the future of this exciting area of physics.
“Sydney is home to many highly-respected, international thought leaders, innovators and researchers in this field,” said NSW Minister for Tourism and Major Events, Adam Marshall.
“We welcome the opportunity to showcase our local expertise, and collaborate and learn from the international physics community. I’m excited to see results from the meeting of these great minds.”
This is the first time the flagship meeting has been held in Australia, and it will be a forum for the country’s scholars, researchers and specialists to interact with their global counterparts and discuss future research directions and technological advancements.
Professors Simmons and Rogge worked in partnership with Business Events Sydney (BESydney) to win the bid. It was a highly-collaborative effort between UNSW, the Australian National University, the University of Melbourne, the Commonwealth Scientific and Industrial Research Organisation (CSIRO), and the University of Technology Sydney (UTS).
Professor Simmons, director of the Australian Research Council Centre of Excellence for Quantum Computation and Communication Technology at UNSW, and also a BESydney Ambassador, said that Australia’s strong academic community would benefit from hosting the world’s largest semiconductor conference.
“This is the premier meeting for reporting all aspects of semiconductor physics, including electronic, structural, optical, magnetic and transport properties,” she said. “Every year it attracts the world’s most prominent researchers in these different areas and features presentations from over 50 leaders in the field.
“Hosting the event here in Australia also provides a wonderful opportunity for us to engage the community in semiconductor technology, and demonstrate how this area of science can have an impact on their lives and on Australia’s most valuable industries.”


NexStar 5 SE Telescope by Celestron
The Only Way To View The Night Sky
It’s got a computer and motors so you don’t even have to program anything. You turn it on, and use a handheld device, that looks like a phone handset, to steer the telescope to objects in the sky. You can pick an object out of the database and it’ll move the telescope to point at that object. You can point the telescope yourself and it’ll tell you what it is that you’re looking at. It gives you a whole new relationship to the night sky.
Submitted to Cool Tools by David Pescovitz


Mining applications are used to accumulate data by mining sites. Mining applications use the most recent mining technologies and software to collect together with analyze files collected by internet site surveyors. It is also used for the particular processing info from the exploration site records or data entry types. The main target of this applications are to reduce the time it takes for your surveyor to finish their employment.
Exploration software helps in reducing the number of surveys forced to complete a task. This software is used thoroughly in mining. This computer software can be used for distinctive purposes including mining industry surveys, files entry operate, logging and even land review etc .
It is important to set up the mining application in a device and operate the software free of error. A machine that is certainly running having mining software program should be able to process data. If a machine is definitely mining application, it should be qualified to process info in a suitable manner using the latest technology obtainable.
Suitable installation of mining software can increase the productivity of the device. It helps inside producing appropriate data that can be utilized for better evaluation and choices. This information can be quite useful for the organization that makes use of the information created. This application can be used if the files has to be processed very quickly.
Mining software has the hottest technologies that are available for its use. It’s not advisable to utilize this program without proper information about its functions. It is better for taking the help of an expert in the field for handling the particular mining software package.
Mining software has changed into a necessity for the majority of mining corporations around the world. If this software is appropriately installed then your work of this mining enterprise will be easier and more quickly. } Exploration software programs are available too in different kinds, such as softwares and equipment. Mining application softwares are around for a reasonable cost and they can be installed easily on the personal computers. The software designed for softwares is straightforward to install, and is also used for the particular processing of data. It helps https://bitcoincircuiterfahrungen.de/ in saving the data inside the computer so that the data may be accessed from all other computer systems later on.
Mining software software programs are also available in different types, depending upon the requirements of the mining company. The application has features and functions. Mining software softwares also come with an interface so that the customer can modify it according to his requires.
Exploration software is employed by most of the exploration companies and can be purchased by any of the web pages, or with the internet. Exploration software offered to the computers or perhaps can be used by installing it on the equipment used by typically the mining provider.


Meet the Chevrolet Bolt Concept
This week Chevrolet not only released the 2nd generation Volt but the bowtie brand also revealed the future of electric vehicles, the Bolt. The vision for the vehicle is an affordable, long-range, all electric vehicle designed to offer more than 200 miles of range starting at around $30,000!
Bolt owners will be able to select operating modes designed around preferred driving styles. These drive styles will adjust accelerator pedal mapping, vehicle ride height and suspension tuning. Modes such as daily commuting, spirited weekend cruising and more will allow for uncompromising electric driving.
The unique proportion of the vehicle makes the most of interior space and was designed to create a roomy environment for four that feels expansive. The lightweight materials the vehicle will be made of drive down the curb weight and maximize range. The Bolt is also complete with aero-optimized features like rear fenders which will contribute to its range.
Inside of the Bolt, owners will find generous headroom and legroom. Obviously, a high tech vehicle requires high tech interior. Drivers will find Chevrolet’s signature dual cockpit layout with features that are designed to make the experience easier and more enjoyable.
We don’t know a ton about all of the features that will be included with the Bolt, but Chevy did release some of the features of the Bolt EV Connect App:
- Allow a smartphone to perform as the key fb
- Allow for ride-sharing management, including reservations, vehicle location, digital key and even payment processing.
- Incorporate the concept automatic park-and-retrieval technology, which enables the driver to exit the vehicle and tell the Bolt EV concept to park itself and when errands are completed, the Bolt EV can be summoned to return to the owner’s location.
Additionally, the Bolt will feature a large, color 10-inch-diagonal touch screen with interface features and will allow for the projection of smartphone data onto the screen!


- Execute test plans, scenarios, scripts or procedures
- Test system modifications to prepare for implementation
- Develop testing Programmes that addresses areas such as database impacts, software scenarios, or usability.
- Document software defects, using a bug tracking system, and report defects to software developers
- Identify, analyse and document problems with Programme function, output, online screen or content
- Monitor bug resolution efforts and track successes - Create or maintain databases of known test defects
- Plan test schedules or strategies in accordance with project scope or delivery dates
Is this you?
- Selenium, Rest Assurance, Cucumber, etc (any similar)
- Java from a frontend perspective
- Verbal and written communication skills, problem solving skills, customer service and interpersonal skills
- Ability to work independently and manage one time
- Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming
- Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models
- Knowledge of the practical application of engineering science and technology
- Bachelor's degree in computer science, computer engineering or relevant field required


WiFi @ Show Low Public Library
The Show Low Public Library Computer Lab has a wireless (“WiFi) access point. You can access the Internet using our high speed Internet service at no cost, in the Computer Lab area. Your laptop computer must either have a 802.11b/g compatible wireless adapter already installed or you may borrow a wireless adapter card while you are in the Lab. All use of this service must be in compliance with Show Low Library Internet Useand Computer Use Policies, which are posted in the Library and Computer Lab and also available online.
The high speed Internet service is the same connection that is used for all of the public access computers in the Computer Lab and Library. There are no printers available, if you use your laptop computer. If you need to borrow a wireless card, a Computer Lab Attendant will assist you in setting up your computer for this purpose.
Wireless communications services are inherently insecure. You must be aware of this, when using email or entering confidential data, such as credit card or banking information. The Show Low Public Library is not responsible for ensuring the privacy of your information. Make sure you are accessing secured websites.


How can Microsoft empower satellite operators to focus on their mission and enable them to continue the operation of their satellites, without making capital investments in their ground infrastructure? To answer that question, Microsoft worked alongside the National Oceanic and Atmospheric Administration (NOAA), and our partner Xplore, to demonstrate how the commercial cloud can provide satellite mission management for NOAA’s legacy polar satellites (NOAA-18)—extending the mission life of these satellites while reducing the cost of operation through Azure Orbital Ground Station as-a-Service (GSaaS).
How can Microsoft empower satellite operators to focus on their mission and enable them to continue the operation of their satellites, without making capital investments in their ground infrastructure?
To answer that question, Microsoft worked alongside the National Oceanic and Atmospheric Administration (NOAA), and our partner Xplore, to demonstrate how the commercial cloud can provide satellite mission management for NOAA’s legacy polar satellites (NOAA-18)—extending the mission life of these satellites while reducing the cost of operation through Azure Orbital Ground Station as-a-Service (GSaaS).
The initiative was part of a year-long cooperative research and development agreement (CRADA) with NOAA, where we worked together to determine the ability of the Azure Orbital platform to connect and downlink data from NOAA satellites. NOAA also tested the ability of Microsoft Azure to comply with specified security controls in a rapid and effective manner. Our cloud-based solutions performed successfully across all measures.
Partners are central to Microsoft’s approach to space, and they played a key role in this project. As part of the CRADA, we leveraged our partner network to bring together Azure Orbital with Xplore’s Major Tom mission control software platform. This approach enabled NOAA to transmit commands to the NOAA-18 spacecraft and verify the receipt of these commands. This test was conducted in real-time, and data was flowing bi-directionally with the NOAA-18 satellite.
Commercial technology enabled the rapid demonstration of these innovative capabilities. Xplore was able to move quickly to bring functions of NOAA’s heritage space system architecture to the Azure cloud through their Major Tom platform. This highlights the power of Azure as a platform to bring together Azure Orbital as the ground station, Major Tom to provide the mission control software for commanding and telemetry viewing, and the NOAA operators to monitor the scenarios.
This successful demonstration shows that the Azure Orbital GSaaS, and the partner network it brings together, enables sustainable outcomes for satellite operators. Our work with NOAA is just the beginning of the journey. We look forward to partnering with additional satellite operators to help them reduce their infrastructure management costs, lower latency, increase capacity and resiliency, and empower their missions through the power of Azure Orbital GSaaS and the Azure cloud.
To learn more about Azure Orbital GSaaS, visit our product page, or take a look at the session with Microsoft Mechanics, which goes into more detail on how we connect space satellites around the world and bring earth observational data into Azure for analytics via Microsoft and partner ground stations. We demonstrate how it works and how it fits into Microsoft’s strategy with Azure Space to bring cloud connectivity everywhere on earth and to make space satellite data accessible for everyday use cases.
More broadly, Azure Space marks the convergence between global satellite constellations and the cloud. As the two join together, our purpose is to bring cloud connectivity to even the most remote corners of the earth, connect to satellites, and harness the vast amount of data collected from space. This can help solve both long-term trending issues affecting the earth like climate change, or short-term real-time issues such as connected agriculture, monitoring and controlling wildfires, or identifying supply chain bottlenecks.
Learn more about Azure Space today.
Robustness is the ability of a closed-loop system to tolerate perturbations or anomalies while system parameters are varied over a wide range. There are three essential tests to ensure that the machine learning system is robust in the production environments: unit tests, data and model testing, and integration testing.
Robustness is the ability of a closed-loop system to tolerate perturbations or anomalies while system parameters are varied over a wide range. There are three essential tests to ensure that the machine learning system is robust in the production environments: unit testing, data and model testing, and integration testing.
Tests are performed on individual components that each have a single function within the bigger system (for example, a function that creates a new feature, a column in a DataFrame, or a function that adds two numbers). We can perform unit tests on individual functions or components; a recommended method for performing unit tests is the Arrange, Act, Assert (AAA) approach:
1. Arrange: Set up the schema, create object instances, and create test data/inputs.
2. Act: Execute code, call methods, set properties, and apply inputs to the components to test.
3. Assert: Check the results, validate (confirm that the outputs received are as expected), and clean (test-related remains).
It is important to test the integrity of the data and models in operation. Tests can be performed in the MLOps pipeline to validate the integrity of data and the model robustness for training and inference. The following are some general tests that can be performed to validate the integrity of data and the robustness of the models:
1. Data testing: The integrity of the test data can be checked by inspecting the following five factors—accuracy, completeness, consistency, relevance, and timeliness. Some important aspects to consider when ingesting or exporting data for model training and inference include the following:
• Rows and columns: Check rows and columns to ensure no missing values or incorrect patterns are found.
• Individual values: Check individual values if they fall within the range or have missing values to ensure the correctness of the data.
• Aggregated values: Check statistical aggregations for columns or groups within the data to understand the correspondence, coherence, and accuracy of the data.
2. Model testing: The model should be tested both during training and after it has been trained to ensure that it is robust, scalable, and secure. The following are some aspects of model testing:
• Check the shape of the model input (for the serialized or non-serialized model).
• Check the shape and output of the model.
• Behavioral testing (combinations of inputs and expected outputs).
• Load serialized or packaged model artifacts into memory and deployment targets. This will ensure that the model is de-serialized properly and is ready to be served in the memory and deployment targets.
• Evaluate the accuracy or key metrics of the ML model.
Integration testing is a process where individual software components are combined and tested as a group (for example, data processing or inference or CI/CD).
Figure 1: Integration testing (two modules)
Let’s look at a simple hypothetical example of performing integration testing for two components of the MLOps workflow. In the Build module, data ingestion and model training steps have individual functionalities, but when integrated, they perform ML model training using data ingested to the training step. By integrating both module 1 (data ingestion) and module 2 (model training), we can perform data loading tests (to see whether the ingested data is going to the model training step), input and outputs tests (to confirm that expected formats are inputted and outputted from each step), as well as any other tests that are use case-specific.
In general, integration testing can be done in two ways:
1. Big Bang testing: An approach in which all the components or modules are integrated simultaneously and then tested as a unit.
2. Incremental testing: Testing is carried out by merging two or more modules that are logically connected to one another and then testing the application's functionality. Incremental tests are conducted in three ways:
• Top-down approach
• Bottom-up approach
• Sandwich approach: a combination of top-down and bottom-up
Figure 2: Integration testing (incremental testing)
The top-down testing approach is a way of doing integration testing from the top to the bottom of the control flow of a software system. Higher-level modules are tested first, and then lower-level modules are evaluated and merged to ensure software operation. Stubs are used to test modules that aren't yet ready. The advantages of a top-down strategy include the ability to get an early prototype, test essential modules on a high-priority basis, and uncover and correct serious defects sooner. One downside is that it necessitates a large number of stubs, and lower-level components may be insufficiently tested in some cases.
The bottom-up testing approach tests the lower-level modules first. The modules that have been tested are then used to assist in the testing of higher-level modules. This procedure is continued until all top-level modules have been thoroughly evaluated. When the lower-level modules have been tested and integrated, the next level of modules is created. With the bottom-up technique, you don’t have to wait for all the modules to be built. One downside is those essential modules (at the top level of the software architecture) that impact the program's flow are tested last and are thus more likely to have defects.
The sandwich testing approach tests top-level modules alongside lower-level modules, while lower-level components are merged with top-level modules and evaluated as a system. This is termed hybrid integration testing because it combines top-down and bottom-up methodologies.
For further details and to learn about hands-on implementation, check out the Engineering MLOps book, or learn how to build and deploy a model in Azure Machine Learning using MLOps in the “Get Time to Value with MLOps Best Practices” on-demand webinar. Also, check out our recently announced blog about solution accelerators (MLOps v2) to simplify your MLOps workstream in Azure Machine Learning.


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Remote Power Switch – 1 Outlet – Home Automation and Remote Reboot (Routers, WebCams, Servers, etc. Connect the Ethernet Jack to the Cable Router, Connect the Power to this Box $69.99
The Single Outlet IP Switch is designed to automatically check if the network connection is online. Should the internet connection go down, the outlet is designed to automatically power-cycle. Users can also remotely turn on/off/reset the outlet via the Android/iOS App or the User Interface (web browser) or schedule timed on/off/resets*.
Uses for the 3Gstore Single Outlet IP Switch:
- Home users who have to manually power-cycle their router to re-gain internet connectivity
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*The iPhone/Android application is required to update the firmware on the IP Switch. All other controls can be accessed either via the app or the web interface.
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The contributions in this article are two-fold. First, we present a new hand-written digit data set. It contains high resolution images of hand-written digits, a writer identification and various writer characteristics. The data set is publicly available and is designed to create new research opportunities. Second, we perform a thorough analysis of this new data set. We begin with simple supervised tasks. We assess the predictability of the writer characteristics gathered, the effect of using some of those characteristics as predictors in classification task and the effect of higher resolution images on classification accuracy. We also explored unsupervised applications. We analyse the manifold produces by Variational Auto-Encoders. Finally, we explore semi-supervised applications; we can leverage the high quantity of hand-written digits data sets already existing online to improve the accuracy of various classifications task. We also demonstrate the generative perspective offered by this new data set. The data set provides new research opportunities and our analysis establishes benchmarks and showcase some of the new opportunities made possible with this new data set.


The techniques of data mining are designed to recommend the services of a digital library based on the search history and user’s profile. It means that users are categorized according to their search behavior and profiles. Afterward, there is the use of predictive classification for the appropriate service recommendation. It helps identify the users in the same cluster, who have a very high accepting similar service probability. Scientists find that data mining techniques help a machine acquire knowledge from previous records (Witten & Frank, 1999; Hand et al., 2001).
Digital Libraries (DLs) are usually defined as the information collections that provide similar services to users through a number of technologies (Callan et al., 2003). According to Gonzalves and Fox (2002), the information collections can be found in personal or business data or presented in a form of video, digital text, image, etc. As a rule, the DLs users access information through the interface presented by a computer which is connected to the Internet.
As a result, current digital libraries are constantly becoming more complex due to multimodal, mixed-mode, and multimedia information. They are widely used by people with diverse backgrounds, needs, desires, and preferences. Moreover, such libraries provide access to information through both the Internet and Intranet (Gonzalves & Fox, 2002).
Resource Description and Access (RDA) is defined as a cataloging standard that provides guidelines and instructions concerning the formulating data for a certain resource description. There is an idea that RDA makes a substantial contribution to digital libraries by data mining. Nowadays, libraries try to do their best to use online resources in their traditional library catalog. However, these new technologies have disregarded the classification system of a traditional library catalog.
The first Saudi Digital Library (SDL) was established in 2010. Its primary aim was to support the educational process and meet the needs and requirements of modern students, researchers, professionals, etc. Currently, it has over 24, 000 e-books on various scientific topics and has subscribed to nearly 300 international, local, and regional publishers (MOHE, 2010; Saudi Digital Library, 2011). The significance is related to the electronic projects and data mining techniques used to ease system implementation.
The development of a digital library in Australia began in the 2000s (Velasquez & Campbell-Meier, 2015). The digital library instills great promises in the economic, social, technical, and scholarly spheres as it provides substantial advantages to the information industry. Despite the fact that such a library exists for more than 10 years in the country, there is a need to investigate the use of data mining as its influence on the library’s work remains unclear. In addition, many issues still remain unresolved, they cover security, privacy, intellectual property right, international and national implications, and many others (Iannella, 1996).
Thus, both Saudi Arabia and Australia have digital libraries. It is evident that the rapid pace of globalization has made them implement data mining techniques to improve the level of services provided. Therefore, the study aims at comparing the influence of data mining techniques on the digital libraries of Australia and Saudi Arabia.
The research objectives are as follows:
- to investigate the use of data mining techniques in digital libraries of Saudi Arabia;
- to study the implementation of these techniques in Australia’s digital libraries;
- to investigate the influence of the above-mentioned techniques on the digital libraries in Australia and Saudi Arabia;
- to provide a comparative analysis of the influences of data mining techniques on the digital libraries of both countries;
- to investigate how data mining helps digital libraries improve the sources;
- to analyze the Resource Description and Access (RDA) and its contribution to the digital libraries by data mining.
To meet the research aims and objectives, the study will answer the following questions:
- How do digital libraries in Saudi Arabia implement data mining techniques?
- How do digital libraries in Australia implement data mining techniques?
- How do data mining techniques influence digital libraries in Australia and Saudi Arabia?
- How does the RDA contribute to the digital libraries by data mining?
A study may use either qualitative or quantitative research methods. However, it is possible to use a combination of both methods (Robson, 2002). It is important to choose a suitable research method and be aware of all the drawbacks and obstacles of the chosen approach (Morgan, 1998). In addition, it is essential to address reliability and validity considerations. Blaxter, Hughes, and Tight (2006) found that research is a process that should include a problem definition and suggested solution through summary, collection, analysis, and evaluation of research data.
The current study will be conducted with the help of a qualitative research method as it focuses on gaining a deeper research insight into the investigated problem. In addition, it helps collect detailed information and clearly answer research questions. However, this method requires the use of observations, surveys, interviews, case studies, etc.
The research methods implemented in the current study will help to optimize the data regarding the impact of data mining in the digital libraries of Saudi Arabia and Australia. Silverman (2001) claimed that the main benefit of qualitative research is that the data collected may be applied in other researches. Other benefits of qualitative research include the ability to get a deep picture of the investigated topic, adjust different methods of data collection, as well as use numerous tools and concepts (Royse, 1999; Creswell, 2003).
The research will use both primary and secondary data. Primary data presupposes the use of information from observations, interviews, etc., while secondary data is the information collected from books, journals, articles, web sources, etc. (Shaw, 2008). It is evident that the use of primary data requires more effort, but it is considered to be more reliable and trustworthy than the secondary one. Hence, the researcher will conduct a semi-structured interview to collect the primary data. The researcher will thoroughly analyze the material collected for this research. Thus, the collected information will cover the issue of using data mining and its influence on the digital libraries of Saudi Arabia and Australia.
Qualitative interviewing will assist the researcher in answering essential questions as it is very useful and flexible (Silverman, 2010). In addition, it provides an opportunity to have two-way communication with the library representatives. The interview will consist of 10 questions and will not require much time to answer them. It will be designed to cover all research questions and meet the research objectives. In addition, qualitative interviewing enables a researcher to change the order of questions if it is necessary.
Thus, the chosen research method will help the researcher to determine the techniques implemented and their influence on digital libraries in the investigated countries. The researcher will monitor, analyze, observe, and investigate all related issues.
The research field of digital libraries is usually referred to as a union of different subfields from a variety of domains. The domains are combined with new research issues and aim at realizing their full potential (Nuernberg et al., 1995). Chen (1998) and Liu (2002) stated that the digital library presents a set of complex and complicated research issues. The same idea was followed by Lagoze and Sompel (2001a) and Lagoze and Sompel (2001b). However, Chen (2003) found that digital libraries experience the issue of digital copyright/rights management. Many users tend to overcome problems related to the information overload caused by the use of new information technologies (Kim et al., 2003). Therefore, the researcher began to investigate the use of data mining techniques and their influence on digital libraries (Borgman, 1996; Witten and Frank, 1999; Costabile, Esposito, Semeraro, and Fanizzi, 1999; Han and Kamber, 2000, and many others).
The usability and popularity of digital libraries are closely related to the satisfaction and experiences of people while using a digital library. Usability is considered to be essential as it encourages the use of a system by those who are connected to the Internet. The establishment and work of the digital library in Saudi Arabia are disused in MOHE (2010). The digital libraries of Australia have shown increased activity in recent years. It has been found that the techniques of data mining are suitable for the evaluation of digital libraries. The use of data mining in the digital libraries was investigated by Han and Kamber (2000), Dushay (2002), Kim, Choo, and Chen (2003), Cullen (2005), Kovacevic, Devedzic, and Pocajt (2010), and others.
Thus, literature analysis has shown that the use of data mining techniques in the digital libraries of Saudi Arabia and Australia is poorly researched. The use of data mining techniques in the libraries of Saudi Arabia is not mentioned in the literature analyzed. In addition, not much has been known about the influence of data mining on the libraries in Australia. Therefore, further research is needed to provide a deeper insight into the topic.


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Those that have dedicated their lives to research will, at some point, be confronted with the question: what is the impact of my research. Citations and expanding human knowledge are certainly worthy goals, but a total lack of impact on industry can become depressing. Fortunately, there are known strategies that researchers can use to move their research towards practice. Drawing from three of my recent projects—a tech startup, a multi-national robotics company, and a small business—I will discuss three distinct strategies that can be used to transfer knowledge into practice. Via interactive content we will discuss these as well as the audience's strategies towards increasing impact as we all journey towards high impact research.
Editor-in-Chief, Journal of Systems and Software
Virginia Commonwealth University
David Shepherd is an Associate Professor in the Department of Computer Science at Virginia Commonwealth University. He earned his Ph.D. and M.S. in Computer Science at the University of Delaware, and his B.S. in Computer Science at Virginia Commonwealth University. David has since worked as a postdoctoral fellow in the Department of Computer Science at the University of British Columbia, built sweat equity as employee #9 at Tasktop Technologies, and risen to Senior Principal Scientist at ABB Corporate Research. His research has produced tools that have been used by thousands, innovations that have been featured in the popular press, and practical ideas that have won business plan competitions. Dr. Shepherd currently serves as the Co-Editor-in-Chief of the Journal of Systems & Software. He has served as the Program Co-Chair for the industrial tracks of the 20th ACM SIGSOFT International Symposium on the Foundations of Software Engineering (FSE 2017), the 39th ACM/IEEE International Conference on Software Engineering (ICSE 2017), and the 31st International Conference on Software Maintenance and Evolution (ICSME 2015). His current work focuses on enabling end-user programming for industrial machines and increasing diversity in computer science.


|Networking >> General|
A Formal Approach for Developing Reliable Service-based Systems
|Language :||English||Quality :||Average||Has Audio :||true||Source :||Youtube||Media :||Flash|
Service-based systems are increasingly being used for deploying large-scale applications in mission-critical environments. In such a system, applications are built by combining services, which are platform independent components running on different hosts of a wireless network. Prime concerns in such systems include, among others, adaptability to unforeseen situations (e.g., behaviors of services can be modified due to unforeseen events such as node failures or distributed denial of service attacks), situation-awareness (in order to detect changes in the environment and adapt accordingly) and security.
In this talk, we present a formal approach to developing adaptable, situation-aware, secure service-based distributed systems. To this end, we first present a process calculus-based programming model for such systems. The operational semantics of the model combines external behaviors with internal computation for accessing current situation and dynamically adapting and reacting to it. Continuation passing is used for handling asynchronous service invocations. In order to declaratively specify properties of such systems, we introduce an intuitionistic hybrid modal logic. The logic not only has modalities for expressing both temporal and spatial behavior but also constructs for describing communication and knowledge and atomic formulas for describing relations between variables. We show how intelligent agents can be automatically synthesized from declarative specifications in the logic and deployed wirelessly. In order to deploy the synthesized agents, we have developed, jointly with the Naval Research Laboratory, the Secure Infrastructure for Networked Systems (SINS), a middleware platform built on the top of JHU's Spread group communication toolkit. In the last part of the talk, we provide a demo of a mission-critical application for intelligent management of a power system developed using the approach mentioned above and deployed on the SINS platform. [SUGGEST A ARTICLE]
Tags: Presentation, Service, Networking, Google EngEDU, [SUGGEST A TAG]


Handheld metal detectors, walk-through metal detectors, explosive detectors and body scanners are called people screening devices.
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The sensitivity of the CEIA detector can be adjusted setting it to high will activate the alarm even when it detects just a razor blade – but its immunity to environmental interferences does not deteriorate. Due to its high discriminative ability, the detectors are able to distinguish between personal and dangerous metal objects.
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Eqo manufactured by Smiths Detection is a millimeter wave body scanner that gives an accurate picture of the person’s body and the objects and dangerous substances found. When the body scanners appeared, at first it was a serious problem that the device gave a true picture of the human’s stripped-down body that the operator saw, thus violating the privacy rights. The eqo, however, eliminates this problem by showing a picture of a stick figure and showing the signs of the dangerous objects on that figure it.
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How Small Is the Universe: plunges down the biggest rabbit-hole in history in search of the smallest thing in the universe.
It is a journey where things don’t just become smaller but also a whole lot weirder. Scientists hope to catch a glimpse of miniature black holes, multiple dimensions and even parallel universes. As they start to explore this wonderland, where nothing is quite what it seems, they may have to rewrite the fundamental laws of time and space.
How Small Is the Universe ?
Micro black hole
Micro black holes, also called quantum mechanical black holes or mini black holes, are hypothetical tiny black holes, for which quantum mechanical effects play an important role. The concept that black holes may exist that are smaller than stellar mass was introduced in 1971 by Stephen Hawking.
It is possible that such quantum primordial black holes were created in the high-density environment of the early Universe (or Big Bang), or possibly through subsequent phase transitions. They might be observed by astrophysicists through the particles they are expected to emit by Hawking radiation.
Some hypotheses involving additional space dimensions predict that micro black holes could be formed at energies as low as the TeV range, which are available in particle accelerators such as the Large Hadron Collider. Popular concerns have then been raised over end-of-the-world scenarios (see Safety of particle collisions at the Large Hadron Collider). However, such quantum black holes would instantly evaporate, either totally or leaving only a very weakly interacting residue. Beside the theoretical arguments, the cosmic rays hitting the Earth do not produce any damage, although they reach energies in the range of hundreds of TeV.
The multiverse, also known as a maniverse, megaverse, metaverse, omniverse, or meta-universe, is a hypothetical group of multiple universes. Together, these universes comprise everything that exists: the entirety of space, time, matter, energy, and the physical laws and constants that describe them. The different universes within the multiverse are called “parallel universes”, “other universes”, or “alternate universes”.


The DRI Sleeper® Eclipse alarm uses a remote wireless sensor to detect bedwetting. Simply place the small Urosensor™ in the child's underwear and the DRI Sleeper® Eclipse receiver on a nearby bedside table. When wetting starts, the Urosensor™ will trigger the receiver alarm, sounding a loud alert and waking the child.
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Urosensor™ technology – the only non-metal urine sensor means there is no corrosion by urine, no skin irritation, and is easy to clean for instant reuse. The sensor will last at least a year if used nightly and triggers the alarm twice a night. The special electronics make the wireless Urosensor™ completely safe.
Please note that the sensors for all the bedwetting alarms we sell are replaceable items. They do wear out and are not covered by the guarantee.
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"My daughter wore this for about 2 nights before she was either waking for a wee or dry all night!!! Amazing! She had a couple of accidents but so far has been dry for 5 nights!! She said the thought of it going off really bothered her so I guess that's how it works as well as becoming aware of physicalities involved. We've got another week to be dry until no alarm. My daughter is 9 and so pleased." Ruth, January 2019


Electric Cars for Every Lifestyle
Your EV journey starts here.
Electric Vehicle FAQs
The eco-friendliness of electric vehicles depends on a few factors, including how the car is produced, the components used in its construction, and the energy powering the car on a day-to-day basis. For example, states like Washington have a significant portion of their power coming from renewable energy. Others, such as Wyoming, have very little. However, if you use solar panels to power your car, then the carbon footprint is significantly reduced.
The rate at which the car can replenish its charge depends on the manufacturer's architecture and the type of outlet. If you are using a standard 120-Volt outlet (known as Level 1), it could take up to 50 hours to charge a 250-mile range EV. A 240-Volt outlet (Level 2) can fully charge your vehicle in closer to 6-12 hours. Lastly, DC Fast Charging can charge an EV to 80% in around 30 minutes.
An electric vehicle (or EV) is a car that uses only electricity for propulsion. Instead of having a typical engine that relies on pistons and the combustion of a fuel source like gasoline to create energy sent through a drivetrain to move a vehicle forward, EVs use stored electricity from a large battery pack routed through electric motors that spin the wheels. There are various types of motors that use electricity differently, but the result is the same.
There are free charging stations available throughout the US. Most EV charging stations can be found at hotels, large shopping areas, and parking garages next to office buildings. Several companies offer charging stations by the hour or by use (per kWh).
No. Most notably, Tesla uses its own standard charger at its Supercharger locations, which are not currently accessible to any other EVs. Tesla provides an adapter (J1172) that can be used at non-Tesla public charging stations, but there’s still a third type of charger, CHAdeMO, used by EVgo and Electrify America. For home charging, manufacturers provide a mobile charging cable that is rated for 120 volts or 240 volts. It’s best to check with the specific vehicle manufacturer to ensure you have the right outlet or adapter before purchasing an electric vehicle. However, more converters and accessories are being sold to allow EV owners access to multiple platforms.
No, most EVs do not have transmissions, at least not like the ones in traditional internal combustion engine cars. The majority of EVs have a single gear transmission, meaning once the car is put in drive, no shifts occur. The only current exception is the Porsche Taycan, which has two gears. This implementation is supposed to help improve performance with acceleration in track conditions.
Yes, electric cars work in cold weather, even below freezing. However, as with all batteries, a vehicle’s performance will be limited until the battery pack has warmed up. The use of the HVAC system will cause a significant loss of range in cold weather. Some manufacturers are creating solutions to combat this by adding features such as a heat pump and allowing drivers to preheat their cars while still plugged in.


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The other day, Anker introduced its new tiny power supply. According to the company, such a small size of the device is due to the component that was used instead of silicon, namely gallium nitride (GaN). The growing popularity of this transparent, glass-like material suggests that one day it can surpass silicon and reduce energy consumption throughout the world.
For decades, silicon has been the backbone of the technology industry, but we "have reached the theoretical limit on how much it can be improved," says Dan Qing Wang, Ph.D. from Harvard, who conducts GaN research. According to her, all materials have a so-called “exclusion zone” - a direct consequence of how well they can conduct electricity. In gallium nitride, it is larger than that of silicon, which means it can withstand a higher voltage and current can pass through the device at a higher speed. This is explained by Martin Kuball, a physicist from the University of Bristol, who heads the GaN project in the field of energy.
Portal The Verge spoke about the benefits of the material of the future As a result, GaN is much more efficient than its silicon counterparts, which also makes it possible to reduce the size of devices based on it. With it, you can not only reduce the chargers, but also make the system consume less energy. According to Kuball, replacing all modern electronics with GaN could potentially reduce energy consumption by 10 or 25 percent.
In addition, gallium nitride is better able to withstand high temperatures, which allows it to be used in a very aggressive environment. “In modern cars, all electronic components are installed far from the engine, so as not to overheat, but this can be fixed, says Kuball.
By the way, this material has long been dominant in another area of production - in photonics. In particular, it is gallium nitride that is the source of the very "blue light" that is used to read Blu-ray discs. Tiny micron lasers (1/100 the thickness of a human hair) can already be used to create a new generation of microscopes.
So why not just replace silicon with GaN? The answer is simple - a colossal industry that has been producing silicon-based technology for a decade. Such a global transition cannot be carried out as soon as possible. In addition, new material constantly has to be tested for reliability. Wang notes that gallium nitride has its weak points, and it is worth exploring them all before launching mass production of nitride-based carriers.
Anker experts claim that although silicon is cheaper than GaN, chargers based on the latter need fewer components for proper functioning, which equalizes both materials. Currently, many startups are working on the development of this technology - it is possible that in the 2020s, humanity will emerge from the silicon era and enter the era of gallium nitride.


- 18.0 MP CMOS sensor and DIGIC 4 Image Processor for high image quality and speed.
- ISO 100 – 6400 for shooting from bright to dim light.
- Improved EOS Full HD Movie mode with manual exposure control, expanded recording with new Movie Digital zoom
- 3.0-inch Vari-Angle Clear View LCD; Built-in flash; Full HD movie mode at 1920 x 1080 resolution
- Compatible with full line of Canon EF and EF-S lenses
1- Canon EOS Rebel T3i 18 MP CMOS Digital SLR Camera and DIGIC 4 Imaging with EF-S 18-55mm f/3.5-5.6 IS Lens w/ All Supplied Accessories
1- 32GB SDHC Memory Card (Don’t Miss a Memory!)
1- USB SDHC Memory Card Reader (Download Images Quicker!)
1- Lithium Ion High Capacity Battery (Great for Vacation!)
1- Ac/Dc Rapid Battery Charger (Great For Vacation!)
1- UV, Florescent, Polarizer Filter Kit(Protect Your Lens!)
1- 58mm 2x telephoto lens
1- 58mm Super Wide Angle Lens
1- Shock Proof Case w/Strap (Protect Your Camera!)
1- Professional Full Size Tripod 1- Memory Card Wallet (Protect Your Photos!)
1- Pack of LCD Screen Protectors (Protect from Dust And Scratches!)
1- Lens/LCD Cleaning Kit
1- Mini Table Size Tripod
More About This Camera!
The Canon T3I Kit includes the EOS Rebel T3i Digital SLR Camera and EF-S 18-55mm f/3.5-5.6 IS type II Lens. This camera and lens will help photographers who are looking for an easy-to-use camera to create their next masterpiece. The next in a long line of phenomenal compact DSLRs, the EOS Rebel T3i continues the Rebel tradition of easy operation, compact design and no-compromise performance. Featuring Canon’s newest DIGIC 4 Image Processor and an 18.0 Megapixel CMOS Image Sensor plus cutting-edge technologies like Full HD video recording, Live View shooting, Wireless flash photography and even a Vari-angle 3.0-inch LCD monitor, the EOS Rebel T3i offers the best of EOS photography in a compact package.


Every morning when Jan Suckow gets to the office and turns on his computer, he is happy to know that the power is not just coming from the socket, but has been generated on the office roof.
At the start of 2022, GIZ Peru installed 5.2-kWp photovoltaic panels on the roof of its office in Lima. Ever since, the PV system has produced green electricity for the office. ‘Over the last few months, our 16 solar panels have generated 15 per cent of our electricity using clean technology. That is roughly the power needed to run 150 laptops, 24 printers and four coffee machines for a year,’ explains Suckow.
Jan Suckow works for GIZ as a technical advisor focusing on the integration of renewable energy. He has been in charge of the project in Lima. The office’s own solar power system firstly helps cut greenhouse gas emissions by reducing consumption of conventionally generated electricity. Secondly though, GIZ hopes that this PV system will help hone awareness in Peru of the huge potential offered by photovoltaic technology. Situated as it is close to the Equator, Peru is one of the most promising locations in the world for solar power.


Founded in 1991, LiveData is headquartered in Cambridge, Massachusetts, directly between MIT and Harvard University. LiveData's founder, Jeffrey Robbins, continues to serve the company as president and chief executive officer.
LiveData was an early developer of real-time integration software, utilizing available object-oriented technology. Initial projects included automobile plant automation applications for General Motors. In 1995, GM Europe utilized LiveData and RFID to track work processes on the floor.
LiveData’s expertise in MMS (Manufacturing Message Specification) led LiveData engineers to take a significant role in the development of ICCP/TASE2 (Inter-Control Center Protocol). ICCP became the de facto standard worldwide for communication between control centers in the electric power sector, propelling LiveData's prominence in that industry. LiveData remains a leading supplier of real-time data solutions to utility companies around the world.
In 2004, LiveData developed its newest generation of software and established its leadership in smart integration technology. LiveData RTI Release 5.0, introduced at the CIGRE Exhibition in Paris, builds upon the core LiveData real-time integration architecture, adding real-time application server, executive dashboard, and data historian functionality.
LiveData Utilities continues to develop innovative solutions to meet the growing needs of its electric power customers. In 2007, LiveData’s ICCP Protocol Server for the electric power industry passed the rigorous Idaho National Labs test bed assessment. Working in partnership with the energy sector, the test bed program assesses selected control systems and control system components to identify cyber vulnerabilities.


Wireless speaker with microphone FM radio and Bluetooth A2DP audio streaming. Aux plug 35mm and USB charger cable included. Emits a clear and dynamic sound and a heavy bass with a radius of 10m and 1800mAh rechargeable battery. 2 connectors for microphones, USB and SD card inputs and button to adjust the bass. measures 30cm in length and 22cm in diameter and is complete with a handle to carry it in.


This month we’ll be learning from Théo Michelot how to make R go faster using a couple of techniques.
Using C++ to speed up R code
R is a very handy tool for data analysis, but it can be computationally quite slow. When analysing large data sets, or using complex models, it can be desirable to speed things up. For this reason, it has become increasingly common to combine R code with C++ code. C++ is a compiled programming language, which makes it much faster than R in some cases. I will first talk about Rcpp, an R package which makes it very simple to call C++ functions from an R script. Then, I will talk about the Template Model Builder (TMB), an R package which uses automatic differentiation in C++ to speed up the numerical evaluation of a function (typically, a likelihood function), thus making techniques such as maximum likelihood estimation very fast. I will show that these do not require a strong programming background, and that it is quite easy for someone familiar with R to use Rcpp and TMB. I will compare the three approaches with examples of code.
We hope to see you there!
The SheffieldR team


The future of work is undergoing a profound transformation, largely driven by the relentless advancement of artificial intelligence (AI) technology. From self-driving cars to virtual personal assistants, AI has permeated various aspects of our lives, and its impact on jobs and industries is both undeniable and far-reaching. In this blog, we will explore the evolving landscape of work in the context of AI, examining the effects on employment, industry sectors, and the skills required in this new era.
The Rise of AI and Automation
AI and automation have already made significant inroads across industries, revolutionizing the way we work. Manufacturing plants now employ robotic arms for precision tasks, and logistics companies are using autonomous vehicles for deliveries. In customer service, chatbots and virtual assistants handle routine inquiries, freeing up human agents for more complex issues. This trend towards automation is likely to continue, raising questions about the future of jobs.
The Impact on Jobs
- Job Displacement: One of the most immediate concerns regarding AI is the potential for job displacement. Repetitive, routine tasks are increasingly being automated, leading to job losses in sectors such as manufacturing and data entry. However, it’s important to note that automation doesn’t necessarily equate to job elimination; it can also lead to the transformation of jobs.
- Job Transformation: As AI takes over repetitive tasks, human workers are freed up to focus on higher-level responsibilities. This shift can lead to the evolution of job roles, with workers needing to adapt and acquire new skills to remain relevant. For example, data analysts may need to become proficient in machine learning to extract insights from AI-generated data.
- New Job Opportunities: The AI revolution also creates new job opportunities. AI developers, data scientists, machine learning engineers, and AI ethicists are in high demand as organizations seek to harness the power of AI. Moreover, industries such as healthcare, finance, and cybersecurity are exploring innovative ways to integrate AI into their operations, creating new roles and careers.
The Impact on Industries
- Healthcare: AI is revolutionizing healthcare by enabling more accurate diagnoses, personalized treatment plans, and drug discovery. Robots are assisting in surgeries, and predictive analytics help in disease prevention. While AI enhances patient care, it also transforms the roles of healthcare professionals, emphasizing collaboration with AI systems.
- Finance: The finance industry benefits from AI’s ability to analyze vast amounts of data quickly and accurately. AI-driven algorithms improve fraud detection, automate trading, and enhance customer service. Financial analysts now rely on AI tools to make data-driven investment decisions.
- Retail: AI is reshaping the retail landscape through personalized recommendations, cashier-less stores, and inventory management. Retail employees increasingly work alongside robots and AI systems to improve customer experiences and optimize supply chains.
Skills for the AI-Driven Future
As AI continues to shape the future of work, individuals must acquire skills that complement and work alongside AI technologies:
- Adaptability: The ability to learn and adapt to new technologies and tools will be crucial. Lifelong learning and staying updated with industry trends are essential.
- Critical Thinking: Human judgment and decision-making will remain valuable. Analytical thinking and problem-solving skills will be essential to interpret AI-generated insights and make informed decisions.
- Emotional Intelligence: Jobs requiring empathy, creativity, and interpersonal skills will be less susceptible to automation. These skills are particularly important in healthcare, education, and customer service roles.
- AI Literacy: Understanding how AI works and its implications for businesses and society will be an asset in many job sectors. AI literacy will help individuals work collaboratively with AI systems.
The future of work in the age of AI is both promising and challenging. While AI has the potential to transform industries, create new opportunities, and improve efficiency, it also raises concerns about job displacement. As we navigate this evolving landscape, individuals and organizations must prioritize upskilling and adaptability to harness the benefits of AI while mitigating its potential drawbacks. By focusing on the development of complementary skills and embracing AI as a tool for augmentation, we can shape a future of work that is not only AI-driven but also human-centered.


From the previous blog post we learned that the ESP8266 is connected to the LED controller in the following way:
GPIO 04: PWM Channel 1 (Red)
GPIO 05: PWM Channel 5 (Color Temp)
GPIO 12: PWM Channel 2 (Green)
GPIO 13: PWM Channel 4 (White)
GPIO 14: PWM Channel 3 (Blue)
GPIO 0-3,6,7,11,1: Not used
My particular version of this Novostella Flood Light had the latest version of their software, which means I did have to break the glass and solder up a programmer to flash WLED on it.
I tried using the Web-based WLED installer, which did work, except for some reason the settings would not persist across reboots. Instead I flashed WLED manually, and after that it worked fine.
Novostella WLED Settings
Once WLED has been flashed, you must next configure WLED for this light fixture.
- Red: GPIO 4
- Green: GPIO 12
- Blue: GPIO 14
- White: GPIO: 13
- Color Correction: GPIO: 5
This configuration will give you an additional slider for the White LEDs, and then one more slider for color temperature (CCT).
I additionally set these settings to make WLED automatically use the white LEDs for me:
But this is a matter of taste and application. See the WLED CCT Docs for more information about how to use the White+CCT settings.


SynQor Parallel Chart - This chart is a quick
overview of the feasibility and method to achieve current sharing when connecting
SynQor converters of a given product or family.
Start-up with Varying Capacitive Loads - This application note
describes the start-up characteristics of SynQor converters starting into loads
below, near and above the output capacitance limits on the datasheet.
Thermal Resistance Explanation - This application note describes
the thermal resistance of SynQor's DC-DC power converters for open frame and baseplated
or encased units.
Hi-Pot Balancing - This application note describes the correct
method for hipot testing the ACuQor series of AC-DC converters. The note provides
an understanding of the difference in capacitance values from input-to-ground and
from output-to-ground as well as a solution for balancing the voltage stresses.
Series Operation of SynQor Converters - This application note describes
how to connect isolated dc-dc converters in series to create non-standard voltages
for the industrial market. Wiring diagrams and design considerations are provided
for series operation of multiple dc-dc converters.
Compliance - This application note describes which SynQor converters
and filters have been tested in conjunction for compliance with MIL-STD-461 for
the control of EMI in military systems. A breakdown of the individual requirements
within the specification and the compliance of SynQor modules to each is provided.
Mil-COTS 270V Full Feature - This application note
explains how to implement the features of a Full Featured Mil-COTS 270V converter.
Features include active current sharing, clock synchronization, and start-up synchronization.
These items are explained in detail and layout suggestions and wiring schemes are
Characteristics - This application note provides an overview of
electromagnetic interference (EMI), the different standards and regulations, how
these standards and regulations relate to DC-DC power modules, suggestions for external
filtering solutions, and suggested layout and grounding practices.
System Instability - This application note details the condition
of input system instability that can occur because a DC-DC converter appears incrementally
as a negative resistance load. The note provides an understanding of why this instability
arises, and shows the preferred solution for correcting it.
Load Current Calculations - This application note provides a simple
method to calculate the output load current using the current sense resistor found
on SynQor's open frame DC-DC converters. All equations, turns-ratio and sense resistor
values are included for the calculations.
Output Voltage Ripple Measurements - This application note explains
the existence of occasional high frequency noise spikes when measuring the output
voltage ripple on a SynQor converter and how these spikes are largely a measurement
artifact. The paper details how to eliminate this measurement error with the proper
test set-up and termination methods.
Thermal Relief Study - This application note addresses concerns
raised with regards to pin and board heating when high currents (>60A) are driven
through thermally relieved plated through hole (PTH) vias. Detailed thermal analysis
will show that internal heat generation and resulting temperature rise of the power
converter and load board is minimal when using a single thermally relieved via.
Sharing on Full Feature Modules - This application note details
the additional features available in SynQor's full-feature converter modules. There
is substantial information provided to facilitate the use of the active current
sharing feature for N+1 and parallel applications.
Explanation of 100V Input Transient Protection - This application
note provides an overview of SynQor's input transient protection features and explains
the differences in protection ratings across our DC-DC converter product lines.
It also answers some frequently asked questions concerning these features.
Aqueous Cleaning and Soldering Considerations - This Application
Note provides an overview of Aqueous Cleaning and Soldering Considerations for SynQor
Open-Frame, Fully Encased, and Base-Plated Products.
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The 74th Annual Gaseous Electronics Conference
10/4/2021, 10/5/2021, 10/6/2021, 10/7/2021, 10/8/2021
Due to the Covid19 pandemic the organizers are currently planning to provide an on-site and a virtual component of the meeting to allow members of the GEC community to present and to attend remotely. If the pandemic does not allow to hold an on-site meeting, a fully virtual conference will be realized.
The Gaseous Electronics Conference (GEC - https://www.aps.org/units/gec/), a special meeting of the APS Division of Atomic, Molecular, and Optical Physics (DAMOP), promotes ideas on the physical and chemical processes and dynamics taking place in partially ionized, collisional plasma and between the atoms, molecules, charged particles, photons, waves, and fields. The GEC has a long leadership history of presenting fundamental and basic science contributions on plasma sources, diagnostics, simulation, plasma chemistry, basic phenomena, atomic and molecular processes. In recent years, GEC has also been a leading venue for reporting on emergent areas of plasma-biotechnology, plasma medicine, multiphase plasmas, environmental applications and atmospheric-pressure plasma systems. The 2021 GEC will continue its tradition of offering a truly outstanding venue for leading research in low temperature plasma science and collision physics. From fundamental plasma research to advanced topics are expected to be discussed during GEC 2021.
The GEC encourages all students to submit applications for the Student Awards.


Date - May 2017
Client - Alwon Electronics S.L. Madrid
This is a custom circuit bed designed to increase the efficiency and time took to perform the upgrade of each circuit. Its designed in such a way that once you put the circuit on the bed, the pins connect to the respective pins automatically with the solderings hence reducing the time is taken to connect each cable individually.
This designed optimized the time taken from 3 minutes 45 seconds down to an impressive 50 seconds per circuit board or 75%.
Brief and Problem.
The main brief was to reduce the time consumed to upgraade each circuit board. The upgradation requiered a lot of man labour, as one had to connect and disconnect all the cables. The secondary aim was to make it as cheap as possible, as its counterpars sell for around 8000€.
The main idea was to use digital fabrication to make personalized beds for each circuit types demanded by the client, but based upon the same principals. We used inexpensive materials, as 3mm MDF sheets and laser cutting technique to reduce the cost and time consumed to manufacture each device.
There was a pipeline drawn to make the design paramatric from the scratch. Because we needed small adjustments due to the margin of error in the laser cutter, of the imperfections in the MDF material. Also this served us to make a variety of other circuit bed of different dimensions.


You can make your indoor and outdoor protection even safer by using these external wireless detectors that are very easy to install. You can organize these sensors so these will prevent any false alarm and pet’s voice as well by making some settings in its system. The outdoor motion detectors are designed to perform in harsh outdoor environments. To avoid false alarms utilises Multi Detection Logic. To identify the presence of an intruder, all the detectors need to be activated.
Our company provides everything the security-conscious property owner could require. We offer burglar alarm systems to catch intruders in the act, CCTV systems so you can keep an eye on things, and access control and intercoms to help you ensure that only those authorised will get inside. Our consultation, installation and maintenance services cater to homes as well as businesses.