As You Read This Post On Your Cell Phone, Thank a Physicist

The Nobel Prize in Physics went to some brainiacs who just happened to invent the blue light emitting diode in the early 1990's.  This revolution paved the way for the explosion of energy efficient lighting that has engulfed us all.  Not those stupid squiggly bulbs that don't work and require Ebola precautions to clean up.  I mean the light that is in the super bright screen of your phone. Yeah, the one you stare at 16 hours a day.

Is there nothing a Physicist can't do?