November 20th--This Day in Engineering History via YouTube - An Engineer's Aspect

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Friday, November 20, 2009

Home Engineering History Engineering Trivia Movies November 20th--This Day in Engineering History via YouTube

November 20th--This Day in Engineering History via YouTube

Happy Birthday to the International Space Station!



The First Solar-Powered Flight - 1980



1923 - Garrett Morgan (1877-1963) patented an automatic traffic signal.

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