This lightweight option from Melalenia comes in so many sizes, from 12 to 28 inches, and several colors, not to mention that ...

Buying a new SUV doesn’t automatically mean going big in terms of the purchase price, fuel costs, or size of the parking spot ...

I've previously experimented with a number of innovate wheel designs including ball-shaped-omni-wheels, Rotaped Tracks, and various balancing robots. I came across this Pedrail concept which has lots ...