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Codebreaker

Term you’ll hear a lot more of from now on because it’s truly revolutionary or you’ll never hear again because it never really worked: Li-Fi

John Moe Jul 19, 2011
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Most data is transmitted through a radio spectrum, which is getting smaller and smaller. Enter Li-Fi, or sending data through light. The idea has been around since the late 19th century, according to the New York Times, but with the rise in LED technology and increasing need to transmit more data, scientists have been making great strides recently.

At a recent TED conference, Dr. Harald Hass of the University of Edinburgh used the technology to transmit a video from a light source to a screen.

How We Survive
How We Survive
Climate change is here. Experts say we need to adapt. This series explores the role of technology in helping humanity weather the changes ahead.