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The first version of a calculator is invented.
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The first known version of a lock that told time by using the shadow from the sun to determine the hour.
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The first known compass is created by the Chinese Han Dynasty giving the world a sense of direction.
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The first camera is sketched out but not created.
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The first radio signal is sent and received.
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The first television is created and later mass produced.
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The first gaming console is created and sold worldwide.
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The well known computer software Windows is created.
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The first smartphone was created by IBM and BellSouth.
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The first global positioning system is created and used.
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