Dominic Wilcox finds it difficult to use his smartphone while taking a bath, so he invented this simple but brilliant solution: the Finger-nose. He can strap this plaster attachment onto his head and navigate his ph...

Researchers at MIT developed the Copenhagen Wheel -- an electric motor that they say can attach to almost any bicycle. The team says: There is no external wiring or bulky battery packs, making it retrofittable into a...