Nikola Tesla was a genius way ahead of his time—some of his inventions were so powerful or strange, they never got built. From wireless energy towers to earthquake machines, these ideas are the stuff ...

In Nikola Tesla's original contract with George Westinghouse, the inventor was promised a bonus of $2.50 for every horsepower of alternating current sold. But making Tesla's AC motor was expensive ...

Nikola Tesla's obsession with wireless technology led to several inventions and theories that focused on transmitting data without wires. Tesla’s prediction of transmitting data without wires ...