When the tension is removed, the stretched rubber band spontaneously snaps back to its original shape; that is D G is negative and -D G is positive. The cooling effect means that it is an endothermic ...

The end result is slightly reminiscent of embedding 3D printed shapes into tulle in order to create fantastic, armor-like flexible creations. But using rubber bands means the result is stretchy ...

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 ...