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The Chocolate Chip Cookie was invented accidentally by Ruth Graves Wakefield. She owned the Toll House inn, in Whitman, Massachusetts.
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Vannevar Bush at MIT in Boston is the inventor of the Differential Analyzer. This is a computer designed to solve equations by integration, using wheel-an-disc mechanisms.
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This machine ran on batteries, and had a gauge with a needle instead of writitng on paper.
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Ub Iwerks produced the first Color Sound Cartoon in 1930, a Flip the Frog cartoon named: "Fiddlesticks"
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Max Knott and Ernst Ruska co-invented this. It uses an electron beam to alluminate whatever it's looking at and produce a magnified image.
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To use the desk phone you had to push different buttons depending on the time of day.
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FM Broadcasting was invented by Edwin H. Armstrong. It gives listeners a wider range or stations to choose from.
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This was invented by George Brown. It was used for TVs and radios.
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The Jet Engine was co-invented by Hans von Ohain and Sir Frank Whittle.
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The Photocopier was invented by Chester Carlson. Carlson invented this because of his lack of work.
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The Volkswagen Beetle is one of the best selling automobiles ever produced. In the late 1930s it was created by Ferdinand Porsche and his chief designer Erwin Komenda.
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Otto Hahn, Lise Meitner and Fritz Strassman make the discovery in 1939.This is the process in which the nucleus of a particle breaks down into smaller parts. This creates a vast amount of energy.
