Wi-fi on rays of light: 100 times faster, and never overloaded

Slow wi-fi is a source of irritation that nearly everyone experiences. Researchers have come up with a surprising solution: a wireless network based on harmless infrared rays. The capacity is not only huge (more than 40Gbit/s per ray) but also there is no need to share since every device gets its own ray of light.

(via WSJ)