The Incredible Inventions of Nikola Tesla (just a few)

Alternating Current: caused a huge stir at the 1893 worlds fair. This electric system provides power generation and distribution to Nearly every home on the planet in the modern era.

Electric motor: allowed for the creation of industrial fans, household applicances, water pumps, power tools, disk drives, electric wristwatches and (although it could have been used sooner) Car engines are now using Teslas design.

Free Electricity: Teslas tower, used natural frequencies of our universe to transmit data. This represented the first wireless communication network and the potential for universal free energy