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Vacuum cleaner
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Steel is invented
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First rose bowl game played
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John Ambrose Fleming
the inventor of the two-electrode radio rectifier -
Christian Hulsmeyer
He is often credited with the invention of radar -
Theo Baekeland
invented Velox photographic paper -
Radio broadcasting
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Electric washing machine
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Neon lamp
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Ford invents first assembly line
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Robots
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Electric razor
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Microwaves
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Credit cards
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Internet
