Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-engineering-3b72e9bca5f9
What powered the earliest practical windmills?
Wind.
- Steam
- Electricity
- Wind ✔
Why: Windmills and wind pumps appeared in the Muslim world by the 9th century.
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References
Answer: Wind. Windmills and wind pumps appeared in the Muslim world by the 9th century.
- Engineering en.wikipedia.org/wiki/Engineering
The earliest practical wind-powered machines, the windmill and wind pump
Checked 2026-11-07.
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