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helicopters, Tag
- How is widespread use of helicopters to study polar bears defensible in a warming world? Fri, 19 May 23, 11:00pm…the lifeblood of most polar bear research is jet fuel needed by helicopters
- NASA plans to send a helicopter to Mars Tue, 15 May 18, 12:08amA small, autonomous helicopter could soon soar above the rusty rocks of Mars. Dubbed the Mars Helicopter, the rotorcraft is hitching a ride to the Red Planet as part of NASA's Mars 2020 rover mission. The BBC said this could...
- Smog-fighting helicopters in Delhi grounded - due to smog Wed, 15 Nov 17, 1:16amDelhi has been battling choking smog, prompting doctors to declare a public health emergency. The government came up with a plan: use helicopters to combat the air pollution. But there's a problem: the helicopters can't fly...
- AeroVelo’s Human-Powered Helicopter May Be On Track to Win the $250,000 Sikorsky Prize Tue, 18 Jun 13, 1:35amThe Atlas helicopter, designed and built by Canadian team AeroVelo, might be the first human-powered helicopter to reach a height of three meters for at least 60 seconds—two key parameters for the $250,000 Sikorsky Prize...
- Solo Helicopter Emits Nothing But Water Vapor Tue, 10 Aug 10, 2:00amDeveloping an idea first sought by the U.S. military — one-man, easy-to-fly helicopters — Avimech has created a 230-pound helicopter that uses hydrogen peroxide for fuel and emits nothing but water vapor. The...
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