Giant Solar Airship
Posted in solar do it yourself on Mar 29th, 2009
It only weighs 230 grams, measures 8 metres in length, and will fly to about 30000 feet on a good day (if you can find a cord long enough)! The giant Solar Airship is like a gigantic balloon, it inflates and flies using solar power so doesn't need any blowing or pumping. All it needs [...]
