the X
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oh i think they like me
Thursday, May 31, 2012
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Wednesday, February 29, 2012
Black History Facts
James West's research in sound technology led to the development of foil-electret transducers used in 90 percent of all microphones built today and in most new telephones being manufactured. West holds 47 U.S. and more than 200 foreign patents on microphones and techniques for making polymer foil-electrets. He was inducted into the National Inventor's Hall of Fame in 1999.
Tuesday, February 28, 2012
Black History Facts
African-American surgeon Charles R. Drew is often credited with the invention of the first large-scale blood bank.
Monday, February 27, 2012
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