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TED Talk: Harald Haas: Wireless data from every light bulb

August 2, 2011 /

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Many thanks to Geoff Badenoch for passing this along. Geoff writes:

"Wi-Fi? Nope, Li-Fi! It’s an amazing world we live in."

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What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower — and do it in a way that’s more efficient, secure and widespread. http://www.ted.com/talks/harald_haas_wireless_data_from_every_light_bulb.html#.Tjgi4LHYoHM.email