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Which were the first machines not powered by humans or animals?
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 | | Modern wind turbines are based on a windmill design |
The first machines that did not use muscle power were probably windmills. Early mills had sails resembling a boat's sails and were used for grinding corn around 600 AD.
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Previous:
Back
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Book:
1001
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Section:
Science and Technology
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Chapter:
Machines
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