HistoryAncientEgypt (Alexandria, Hellenistic/Roman period)high confidence

The aeolipile is also known as Hero's engine.

Notes on verification

Confirmed by multiple independent sources including NASA educational material and academic references, consistent with well-documented historical naming convention. [tier=silver indep_score=0.925 clusters=2 claim_tier=everyday]

Sources

The aeolipile is also known as Hero's engine. · DeepInquiry