Brainy Quote of the Day

Friday, June 20, 2014


Texas Power and Light
Tesla would be proud...1600th post.

Serbian-American inventor Nikola Tesla was born in July of 1856, in what is now Croatia. He came to the United States in 1884, and briefly worked with Thomas Edison before the two parted ways. He sold several patent rights, including those to his alternating-current machinery, to George Westinghouse. His 1891 invention, the "Tesla coil," is still used in radio technology today.

Around 1900—nearly a decade later after inventing the "Tesla coil"—Tesla began working on his boldest project yet: Building a global communication system—through a large, electrical tower—for sharing information and providing free electricity throughout the world. The system, however, never came to fruition; it failed due to financial constraints, and Tesla had no choice but to abandon the Long Island, New York laboratory that housed his work on the tower project, Wardenclyffe. In 1917, the Wardenclyffe site was sold, and Tesla's tower was destroyed.

In addition to his AC system, coil and tower project, throughout his career, Tesla discovered, designed and developed ideas for a number of important inventions—most of which were officially patented by other inventors—including dynamos (electrical generators similar to batteries) and the induction motor. He was also a pioneer in the discovery of radar technology, X-ray technology and the rotating magnetic field—the basis of most AC machinery.

The WiTricity® technology story begins late one night with MIT Professor Marin Soljačić (pronounced Soul-ya-cheech) standing in his pajamas, staring at his mobile phone on the kitchen counter. It was the sixth time that month that he was awakened by his phone beeping to let him know that he had forgotten to charge it. At that moment, it occurred to him: “There is electricity wired all through this house, all through my office—everywhere. This phone should take care of its own charging!” But to make this possible, one would have to find a way to transfer power from the existing wired infrastructure to the phone—without wires. Soljačić started thinking of physical phenomena that could make this dream a reality.

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