Discover, November 3 2010.
This little laser-powered quadracopter broke a world record on October 28th by flying for over 12 hours with the help of lasers from the ground. The previous record for laser-powered flight was 6 hours. The laser beam that powered the ‘copter’s batteries has the strength of 250,000 laser pointers.
The technology was developed by LaserMotive, a company developing beaming technologies to make power wireless (and obviously awesome). The system of mirrors and lenses on the ground beamed the laser up to the craft 30 feet overhead, where the laser beam charged photovoltaic cells on the underside of the craft. The laser supplied the unmanned aerial vehicle (UAV) with 2.5 kilowatts of power, which the team explained to MSNBC’s Cosmic Log isn’t all that much. Read More >