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News Link • Inventions

Chinese Scientists Invent Lightbulbs That Emit Wi-Fi

• gizmodo.co.uk
 

As many as four computers placed near a Li-Fi bulb can connect to the net, using light frequencies rather than the usual radio waves. The bulb is embedded with a microchip that produces a signal, yielding rates as fast as 150 mbps—far faster than typical connection speeds in China, and about three times faster than the speed I’m getting right now. (Seriously, I just did a speed test.)

One of the perks of Li-Fi is that it’s affordable. Have a lightbulb and a Li-Fi kit? Boom—you have internet. Next month, researchers are showing off 10 sample kits at a trade show in China, and the country is moving in a direction that could make Li-Fi a practical and commercially viable asset—

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