Li-fi 100 times faster than wi-fi
▻http://www.bbc.com/news/technology-34942685
A new method of delivering data, which uses the visible spectrum rather than radio waves, has been tested in a working office.
Li-fi can deliver internet access 100 times faster than traditional wi-fi, offering speeds of up to 1Gbps (gigabit per second).
It requires a light source, such as a standard LED bulb, an internet connection and a photo detector.
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Laboratory tests have shown theoretical speeds of up to 224Gbps.
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The term li-fi was first coined by Prof Harald Haas from Edinburgh University, who demonstrated the technology at a Ted (Technology, Entertainment and Design) conference in 2011.