Wi-Fi at the speed of light

from MIT’s Technology Review:

A wireless network that uses reflected infrared light instead of radio waves has transmitted data through the air at a speed of one gigabit per second–six to 14 times faster than the fastest Wi-Fi network.

Such optical networks could provide faster, more secure communications and would be especially suitable for use in hospitals, aircraft, and factories, where radio-frequency transmission can interfere with navigation equipment, medical devices, or control systems.

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