Have you ever wondered what the world would be like if electricity was free? Tesla is the well-known trademark of entrepreneur extraordinaire Elon Musk and his electric cars, but what about Tesla, the man? More than 100 years ago, Nikola Tesla (1856-1943) invented alternating current (AC), the polyphase alternating current system, which laid the foundation … Continue reading Nikola Tesla dreamed of free electricity; what happened?