An aeolipile or Hero's engine is a steam turbine that spins when the water inside is heated. The Greco-Egyptian mathematician and engineer Hero of Alexandria described the device in the 1st century AD, and was later credited for its invention.
Previously:
9th century Bedouin astrolabe - photo
Antikythera Mechanism
Baghdad battery - photo
Ancient Chinese seismoscope - photos
Armillary sphere ring - photo
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