A motor — or a generator — requires some normal magnets and some electromagnets. The usual arrangement is to have a brushed commutator that both powers the electromagnets and switches their polarity ...

Car lovers are not easily impressed. Sure, every year we get new models, but often they look un-impressively like last year’s models. Prototypes emerge that catch interest and excitement. Overall, ...

Robert Sansone is a natural born engineer. From animatronic hands to high-speed running boots and a go-kart that can reach speeds of more than 70 miles per hour, the Fort Pierce, Florida-based ...