Today Boeing completed the first test flight of a commercial jet-liner using a mix of conventional jet-fuel and a fuel created from algae and the african weed jatropha. Boeing hopes that biofueled flights will be common in just three years.
posted by Artw on Jan 8, 2009 - 28 comments

Build your own ramjet for under $60.
posted by clockwork on Oct 1, 2004 - 8 comments

How to build yourself a Glow Discharge Panel. No, really. Woah, that's freakin' cool. UFO stuff, I think to myself. Heh. Oh.. Oh holy crap!
posted by loquacious on Aug 30, 2004 - 4 comments

Presenting the no-gasoline, no-pollution, no-engine personal flier Hydrogen peroxide is used to fuel individual rocket motors at the tips of helicoptor like rotors.... James Bond eat your heart out :)
posted by zeoslap on Feb 22, 2001 - 5 comments