Harald Haas: Wireless Data From Every Light Bulb

What if every light bulb in the world could also transmit data? The presenter 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.

Provided by: TED Conferences Topic: Mobility Date Added: Aug 2011 Format: Webcast

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