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To charge mobile devices. They are quickly giving way to wireless technology. Three japanese scientists are expressing their thanks to people who helped then win the nobel prize in physics. Isamu akasaki, Hiroshi Amano and Shuji Nakamura carried out Ground Breaking research that led to the creation of blue light emitting diodes or l. E. D. S. What they invented is now used in many electronic products. Members of the Royal Swedish Academy of sciences made the announcement in stockholm. Akasaki teaches in central japan. Amano is a professor at nagayo university and nakamura is a professor at university of california, santa barbara. In 1989, akasaki and amano used Gallium Nitride crystals to develop a semiconductor that emitted blue light. Nakamura built on that achievement to create brighter blue l. E. D. S capable of being used in electronic products. The Academy Members said it contributed to help saving the earths resources and they say it promises a better quality of life for 1. 5 bi

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