SANTA BARBARA, CA - OCTOBER 07: UC Santa Barbara scientist Shuji Nakamura demonstrates a blue LED light after sharing a Nobel Prize for physics for invention of blue LED light October 07, 2014, in Santa Barbara, California. Nakamura and two Japanese scientists shared the prize for the invention of an efficient blue light-emitting diodes using semiconductors, which has enabled bright and energy-saving white light sources. (Photo by Kevork Djansezian/Getty Images)