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Harald Haas:
Wireless data from every light bulb

TEDGlobal 2011 · 12:51 · Filmed Jul 2011

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.

Communications technology innovator
Harald Haas is the pioneer behind a new technology that can communicate as well as illuminate. Full bio