Are you tired of your cable modem? Do you have a bunch of unused Christmas lights lying around? Some German scientists at the Fraunhofer Institute for Telecommunications have found a solution in red, blue, green, and white LED light bulbs.
Using LED lights the scientists were able to create an 800Mbps-capable network. With coverage of about 10 square meters, the LEDs were placed along the ceiling and would blink in rapid succession to transmit the information in a series of ones and zeroes. The light blinks so quickly that the human can’t detect it and in doing so can send massive streams of data.
A laptop within range would be outfitted a photo diode which acts as a receiver. The diode absorbs the light which is then translated into signals the computer can understand.
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