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DARPA smashes wireless power record, beaming energy more than 5 miles away — and uses it to make popcorn
The feat has significant applications for military purposes and space-based solar power.
Yet technical challenges meant that funding for the project, initially provided by the financier J.P. Morgan, dried up, leaving Tesla's vision unrealized. Nonetheless, interest in the concept has recently increased, both for military applications and space-based solar power, a nascent technology that would collect and transmit energy from sunlight in space, where it is 10 times more intense than at Earth's surface. In the latest experiment, conducted at the U.S. Army's White Sands Missile Range in New Mexico, the power was beamed over the 5.3-mile distance in a 30-second pulse.
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