Which ancient Greek inventor is credited with creating the first documented steam-powered device, the aeolipile?
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The aeolipile, described in the first century AD by Hero of Alexandria, was a rocket-like spinning reaction engine. It consisted of a water vessel heated by fire, with steam escaping through bent pipes to spin the sphere. While it was mostly treated as an entertaining novelty rather than an industrial tool, it laid the groundwork for understanding steam power thousands of years before the Industrial Revolution.
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Source: Wikipedia (CC BY-SA)
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