Inventions that wouldnt exist without Black Women. #WomensHistoryMonth —THREAD— Valerie Thomas, NASA physicist, invented 3D Movies In 1977, she developed the illusion transmitter, the 1st mechanism that allowed images to be viewed in 3D using concave mirrors & light rays.
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Dr. Shirley Jackson research paved the way for numerous developments in telecommunication including the Touch-Tone Telephone, the Portable Fax, Caller ID & Call Waiting. She was the first black woman to ever earn a doctorate from the Massachusetts Institute of Technology (MIT)
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