“The only past which endures lives wordlessly within you.”
Frank Herbert

God Emperor of Dune

Li Fi

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… as in Wi-Fi just with light … how cool is that? At first read it seemed kind of ridiculous but I quickly warmed up to the idea:

“A one-watt LED light bulb would be enough to provide net connectivity to four computers, researchers say …

Visible light is part of the electromagnetic spectrum and 10,000 times bigger than the radio spectrum, affording potentially unlimited capacity.

But there are drawbacks: block the light and you block the signal …

the technology was still in its infancy and needed further developments in microchip design and optical communication controls before it could go mass market.”

source

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