For more than a century, wireless power sounded like a party trick from the age of coils and crackling sparks. Now it is quietly turning into infrastructure, with real systems moving electricity ...

Nikola Tesla, a brilliant engineer, revolutionized electricity with his alternating current system. His innovations powered ...

What the company could be unveiling on April 30. — -- The announcement that Tesla Motors will unveil a new game-changing product category next month that isn't a car has sent imaginations running ...