Severe jaundice in newborns is treated with blue leds http://www.treehugger.com/clean-technology/leds-used-to-help-babies-with-severe-jaundice.html http://www.t

Severe jaundice in newborns is treated with blue leds http://www.treehugger.com/clean-technology/leds-used-to-help-babies-with-severe-jaundice.html http://www.treehugger.com/clean-technology/leds-used-to-help... Edit: LED lasers that enabled things like the Internet (Optical fibers often use DBF Lasers) were invented by Alferov and Kroemer that also shared the physics Nobel price in 2000.