Magnetron and rolling mill: what they have in common

1. Step 1. Magnetron — is part of — Radar. The cavity magnetron made compact radar possible.
2. Step 2. Radar — is part of — Jet fighter. A radar.
3. Step 3. Jet fighter — has part — Turbojet engine. A turbojet.
4. Step 4. Turbojet engine — has part — Turbine. The turbine drives the compressor.
5. Step 5. Turbine — evolved from — Water wheel. The water turbine evolved from the water wheel.
6. Step 6. Water wheel — is used in — Rolling mill. The first mills were turned by water.

Open Evothings