Carnot cycle and chisel: what they have in common

1. Step 1. Carnot cycle — is a kind of — Thermodynamics. The main result of thermodynamics.
2. Step 2. Thermodynamics — was inspired by — Watt steam engine. Carnot wrote “Reflections on the Motive Power of Fire” trying to understand steam engines.
3. Step 3. Watt steam engine — has part — Piston. Steam pushes the piston in the cylinder.
4. Step 4. Piston — is part of — Rock drill. A percussion piston.
5. Step 5. Rock drill — is used in — Tunnel. Driving the Mont Cenis tunnel.
6. Step 6. Tunnel — uses — Chisel. Hezekiah’s Tunnel was cut by hand with chisels.

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