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innovations on this date — October 21st

October 21st — A banner day for new inventions: On this date in 1879 Thomas Edison invented the electric light bulb; the first transatlantic message by radio telephone was sent, from Arlington, VA, to Paris, France in 1915; in 1925, the photoelectric cell was first demonstrated by the Westinghouse Co.

Other October 21st events.

From “Today in Science History” — a great website when looking for odd science trivia.

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  3. greenpeace challenges german stem cell patent
  4. Britain grants license for human cloning
  5. stem cell patents in jeopardy…


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Posted by Douglas Sorocco, October 21, 2004 at 6:36 pm
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