The Li-Fi technology was tested outside the laboratory

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The Li-Fi technology was invented by Harald Haas of the University of Edinburgh back in 2011 and it uses communication through visible light (VLC). Basically, it is an advanced Morse code: the LED flashes at speeds that can not be perceived by the eye human and is used to write and transmit information in binary code.

This week, for the first time, the technology has been tested outside the laboratory and they found that the data can be transmitted at the speed of 1GB per second, which means it will be 100 times faster than the conventional Wi-Fi speeds. This technology has the potential to change the way we use the Internet!

Apparently, another advantage of Li-Fi technology is the security. Using light, the connection can only be established in the room where the device is, so no more neighbours sniffing on your WiFi connection. In addition, there is less interference with other devices.

It will take a while until the Li-Fi technology will become the standard method of data transmission, primarily because the offices are not created for that. Harald Haas, the inventor of Li-Fi, says that she imagines a world where everyone has access to the internet via LEDs having a microchip. So far, the Li-Fi technology has been tested in the offices and the industrial environments in Tallinn, Estonia.

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