what will you do to make your country heaven of freedom..
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we will give freedom to country ye lvkr join ho
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Step-by-step explanation:
The first visible-spectrum (red) LED was demonstrated by Nick Holonyak, Jr. on October 9, 1962 while he was working for General Electric in Syracuse, New York. Holonyak and Bevacqua reported this LED in the journal Applied Physics Letters on December 1, 1962.
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