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Light Used to Beam Songs Across a Room

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PROVO, Utah, Dec. 21, 2011 — As part of a yearly tradition of challenging previous students’ designs, electrical engineering students at Brigham Young University created a free-space optical transmission device that beams music across a room. The device, created by senior electrical engineering major Jana Sardoni and fellow teammates Matt Seamons, Greg Loveland and Raymond Barrier, can transmit any song from an iPod to a receiver and speakers up to 20 ft away. Its battery life is more than two hours. Jana Sardoni, BYU electrical engineering major, demonstrates the free-space optical transmission device...Read full article

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