Fukuoka Tower illuminated with blue LEDs

FUKUOKA, Japan - The 234-meter-tall Fukuoka Tower in the city of Fukuoka, southwestern Japan, is illuminated with blue light-emitting diodes and other lighting equipment on Oct. 7, 2014. Two Japanese scientists and one Japan-born scientist with U.S. citizenship were announced the same day as the winners of this year's Nobel Prize in Physics for the invention of blue LEDs.