While world records were being broken at the 2008 Beijing Olympics, one of the world's leading defence technology firms was breaking records of its own.
Can you imagine flying for more than three days in a solar powered plane?
Regular solar flight might be possible in the not too distant future.
QinetiQ claims its propeller-driven, unmanned solar aircraft called the 'Zephyr' flew 83 hours and 37 minutes nonstop to break the official world record set in 2001 by Northrup Grumman's Global Hawk
Solar Powered Planes
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