Li-Fi, short for light fidelity, is a new technology developed by researchers at the University of Oxford to achieve Internet speed 100 times faster than Wi-Fi.
They were able to reach speeds in the lab of 224 gigabits per second. To put things in perspective, this is equivalent to downloading 18 movies of 1.5 gigabits each in a single second.
With Wi-Fi, around 100 gigabits per second have just recently become a reality and have yet to become ubiquitous.
At this TEDGlobal video below, Harald Haas, a pioneer of the technology, presents how a light bulb can transmit data.
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