A wild bird in Australia has apparently added a new weapon to his feathered arsenal. Getty Images/Ken Griffiths The other day ...

Rubber bands do the exact opposite ... transfer the thermal energy from the bands to the air. The whole thing is hand cranked, so this would make a perfect museum or educational demonstration.

Egged on by adoring fans who demanded more aircraft videos, [ProjectAir] has decided to break the world record for rubber band powered aircraft… despite having never built a rubber band powered ...