Last week the National Inventors Hall of Fame announced its 2008 inductees. To be inducted, inventors must hold a U.S. patent (sorry Leonardo da Vinci) and “the invention must have contributed to the welfare of mankind and have promoted the progress of science and the useful arts.”
+ Nick Holonyak, Jr. invented the first LED (light emitting diode).
+ Daryl Chapin, Calvin Fuller, and Gerald Pearson were the first to convert the sun’s energy into electricity using silicon solar cells.
+ Ray McIntire invented polystyrene foam while working at Dow Chemical.
See Also: Complete List and Background
Source: World Almanac Blog, National Inventors Hall of Fame
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on Wednesday, February 20th, 2008 and is filed under Lists and Rankings, Resources for Educators, Source File.
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