Wireless Data Via A Light Bulb

What if every light bulb in the world could also transmit data? The speaker in this TED video, Harald Haas, unveils a device that could do exactly that. By flickering the light from a single LED, he can transmit far more data than a cellular tower -- and he can do it in a way that's more efficient, secure and widespread.

What if every light bulb in the world could also transmit data? The speaker in this TED video, Harald Haas, unveils a device that could do exactly that. By flickering the light from a single LED, he can transmit far more data than a cellular tower -- and he can do it in a way that's more efficient, secure and widespread.

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