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Inventions
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Radio
1896
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Miscroscope
1609
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Compass
About 2000 years ago
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Laser
1960
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Smartphone
1992
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Typewriter
1867
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Television
1927
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Calculator
1642-1644
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Camera
1888
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Microwave oven
1945
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Electric car
1880-1894
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Telephone
1875
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