Ice cream maker and gyroscope: what they have in common

1. Step 1. Ice cream maker — uses — Latent heat. Ice with salt draws away heat.
2. Step 2. Latent heat — is used in — Cloud chamber. Supersaturated vapour.
3. Step 3. Cloud chamber — is made of — Ethanol. It is saturated with alcohol or water vapour.
4. Step 4. Ethanol — is material for — V-2 rocket. The fuel is ethyl alcohol.
5. Step 5. V-2 rocket — has part — Gyroscope. A gyroscopic guidance system.

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