LEDs: A light-bulb moment that is changing the world
Paris (AFP) Oct 07, 2014 - Just over 20 years ago, three physicists working in two laboratories in Japan cracked a problem that had stumped rivals for decades - how to prise blue light from a semi-conductor. The feat paved the way to a low-energy source of light for illuminating homes, buildings, computers and mobile phones. On Tuesday, it earned Isamu Akasaki, Hiroshi Amano and Shuji Nakamura the 2014 Nobel Phys ... more
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