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Created by Earl Dickson
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The first robot was built in this year, leading to the first atificial life.
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created by John Larson
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created by Sir Frederick Grant Banting
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The first 3-D movie was released in this year.
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Garret A. Morgan Create dthe first traffic signal which was a railroad sign
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The dynamic loudspeaker invented by Rice and Kellogg.
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The mechanical television a precursor to the modern television, invented by John Logie Baird.
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Robert H. Goddard invents liquid-fueled rockets.
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Philip Drinker was the inventor of the iron lung in 1927.
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Penicilin was discovered by Scottish biologist Alexander Fleming
