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Harald Haas: Wireless data from a light bulb

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Ted Global 2011

Session 12: Next Up

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.

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S2011E108 - Joan Halifax: Compassion and the true meaning of empathy

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