Brewing and newcomen engine: what they have in common

1. Step 1. Brewing — uses — Fermentation. Yeast ferments the sugars of the malt.
2. Step 2. Fermentation — is used in — Ethanol. Alcohol is produced by fermentation.
3. Step 3. Ethanol — is material for — Cloud chamber. It is saturated with alcohol or water vapour.
4. Step 4. Cloud chamber — has part — Piston. A sudden expansion supersaturates the vapour.
5. Step 5. Piston — is part of — Newcomen engine. Atmospheric pressure moves the piston.

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