Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Muedzo wechiedza cheArchimedes chakagadzirwa muna 1973 nomusayendisiti wechiGiriki Ioannis Sakkas. Kuedza kwacho kwakaitika pachiteshi chengarava cheSkaramagas kunze kweAthens. Pachiitiko ichi, magirazi 70 aishandiswa ainge akafukidzwa nemhangura uye aiva akakura mamita 1,5 uye akareba mamita 1. Magirazi aya akanga akaenzana nemudziyo wehondo yeRoma wainge wakaumbwa neplywood uye ainge ari kure nemamita 50. Apo magirazi akanga akanyatsotarisisa, ngarava yacho yakatsva mumasekondi mashomanene. Ngarava yacho yakanga yakafukidzwa nependi yetara, iyo ingave yakabatsira kupisa. Kufukidzwa netara kwaiwanzoitwa mungarava munguva yekare. Muna October 2005 boka revadzidzi vepaMassachusetts Institute of Technology rakaita ongororo nematafura egirazi akaenzana 127 emamita 30 masendimita mana, rakatarisa ngarava yemapuranga iri kure nemamita 30. Moto wakatanga pachikamu chechikepe, asi pashure pokunge denga rava risina makore uye chikepe chacho chagara chakamira kwemaminiti anenge gumi. Kwakagumiswa kuti mudziyo wacho wakanga uri chombo chinobvira mumamiriro ezvinhu aya. Boka reMIT rakadzokorora kuedza kwacho nokuda kwepurogiramu yeterevhizheni inonzi MythBusters, richishandisa igwa rokuredza rematanda muSan Francisco senharidzano. Zvakare kwakava nokutsva, pamwe chete nomurazvo muduku. Kuti moto utange kupisa, huni dzinoda kusvika patembiricha yayo yekuzvitsvaira, inova inenge 300 °C (570 °F). Apo MythBusters yakaparadzira mhedzisiro yekuedza kweSan Francisco muna Ndira 2006, chirevo chakaiswa muchikamu che "busted" (kana chakundikana) nekuda kwenguva yakareba uye mamiriro ekunze akakodzera anodiwa kuti kupisa kuitike. Zvakataurwawo kuti sezvo guta reSirakusi rakatarisana negungwa nechokumabvazuva, ngarava dzeRoma dzaifanira kurwisa mangwanani kuitira kuti chiedza chiunganidzwe zvakanaka nezvionioni. MythBusters yakaratidzawo kuti zvombo zvechinyakare, zvakadai semiseve inopisa kana mabhaudhi anobva pamapuranga, ingadai iri nzira iri nyore kwazvo yekupisa ngarava pamadaro madiki. Muna Zvita 2010, MythBusters zvakare...  Mubvunzo: Chii chakazoitika pashure pemaminitsi anenge gumi?
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