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Using lasers to beam billions of bits per second. Too bad it only goes 30ft, but it is still pretty cool. Its for use in areas that you can't have wifi. Main example is in hospitals. Whether it is practical or not, it is still pretty interesting/cool technology.

 

Laserpointer.jpeg

 

The article is here, if anyone is interesting in reading it: http://www.popsci.co...here-wi-fi-wont

Edited by ajnl

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