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Semiconductor Laser - inventor Bob Hall

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Uploaded by on Oct 30, 2008

Inventor of the semiconductor laser Robert N. Hall explains how it works in simple terms. Robert N. Hall is a Wizard of Schenectady. by the Edison Exploratorium

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Uploader Comments (EdisonExploratorium)

  • the mirrors and  holes were not clearly explained.

  • This video is designed just to get people curious, more information on semiconductors is easy to find in any depth desired.

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All Comments (7)

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  • this relly helped me with my since fair

  • ROBERT U OLD BITCH!! this doesnt explains the holes & mirrors.. u stupid old guy.. if u upload something, be clear with it.

  • y en español ? xd

  • Amasing...

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