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13 November 19

LED or Light Emitting Diode also known as Electroluminescence was discovered by
A. H. J. Round
B. Carl Accardo
C. Madame Marie Curie
D. Georges Destriau
Answer is A… H.J. Round a British Experimenter of the Marconi Labs in 1907 using a crystal of silicon carbide and a cat’s-whisker detector.

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Author Bill_LPosted on 13 November, 2019Categories 2019 SPARC Trivia, SPARC TriviaTags rest of the story, sparc, sparc trivia, the rest of the story

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