Tesla's Model S is known for its long range, with the 100kWh version rated to travel 335 miles (540 km) between charges. On Tuesday, Tesla announced changes to the Model S drivetrain that boosted the ...

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 ...

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 ...

A soldier from the Idaho Army National Guard fires a Javelin anti-tank missile. Colorado-based propulsion firm Ursa Major hopes its new method of 3D printing solid rocket motor cases could one day ...

Unlike most automakers, Tesla has refreshed the designs of its existing cars on rather sporadic schedules, and the latest tweaks for its Model S and Model X are here. Confirming earlier rumors, the ...