What heron’s aeolipile is made of
A ball spun by jets of steam — the oldest steam turbine.
- Bronze steam boiler — has part. A vessel of boiling water.
- Hollow bronze sphere — has part. It rotates on tubular axles.
- Bent steam nozzles — has part. Jets of steam spin the ball.
- Reaction force — uses. Jets of steam spin the ball by reaction force.
- Combustion — uses. A fire boils the water in the cauldron.
- Bronze — is made of. The aeolipile is a bronze ball.