March 9, 2009 Super light structural materials such as carbon fiber and Kevlar have incredible natural strength in tension but are much weaker in compression. A good example of this is how the carbon ...

Kolelinia is a high-wire for bikes, a skinny, suspended cycle-lane which lets riders glide over traffic, flying above the streets. It is amazing sci-fi, and is either a brilliant, forward thinking ...

A new e-bike drive system in development is aiming to do something pretty radical: get rid of the mechanical connection between your pedals and the rear wheel entirely and replace it with a copper ...