Isn't it cool to have an affordable internet connection from a light bulb? I found this post on Technology Blog's Facebook page:
Chinese Scientists Invent Lightbulbs That Emit Wi-Fi
A group of Chinese scientists at Shanghai's Fudan University have a bright idea: A lightbulb that produces its own Wi-Fi signal. According to Xinhua, the technology is called Li-Fi, and the prototype actually works better than the average connection in China.
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.
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—especially since, as Xinhua reports, Chinese people are quickly replacing old fashioned incandescent bulbs with LEDs.
Of course, there are still a few technical details—mostly dealing with microchip design and manufacturing—that would need to fall into place before Li-Fi becomes ubiquitous.
So for now, Li-Fi remains an experiment with a bright future.
[Xinhua via ZDNET]
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