The phonograph, invented by Edison in 1877, could record and play back sound for the first time in history.
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The wheel is one of the earliest human inventions.
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The first computer mouse was made of wood — Douglas Engelbart built it in 1964.
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The average person spends about 2 weeks of their life waiting at red lights.
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The solar panel converts sunlight into electricity.
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Netflix was founded as a DVD mail rental service — it didn't launch streaming until 2007.
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