Light brings users super-fast wireless internet

Published on August 7, 2015

See Harald Haas explain to NBC News how lights in shop windows, cars and classrooms can be used to access the wireless internet.

Harald says ” Li-Fi is seven times faster than wi-fi, and you can download an entire DVD in a couple of seconds – the end of download frustration!”

See http://on.msnbc.com/1gDRWlb