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Wikipedia definition
1. AeolipileAn aeolipile (or aeolipyle, or eolipile), also known as a Hero engine, is a rocket style jet engine which spins when heated. In the 1st century AD, Hero of Alexandria described the device, and many sources give him the credit for its invention. The aeolipile Hero described is considered to be the first recorded steam engine or reaction steam turbine.
Read “Aeolipile” on English Wikipedia
Read “アイオロスの球” on Japanese Wikipedia
Read “Aeolipile” on DBpedia

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