The Midlothian Lecture — LI-FI

What if every light bulb in the world could also transmit data?  Harald Haas demonstrates a device that can 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.

“As well as revolutionising internet reception, it would put an end to the potentially harmful electromagnetic pollution emitted by wireless internet routers and has raised the prospect of ubiquitous wireless access, transmitted through streetlights.” — Herald Scotland

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Author: ÉC

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