Tsiolkovsky rocket equation and davy lamp: what they have in common

1. Step 1. Tsiolkovsky rocket equation — is used in — Multistage rocket. Tsiolkovsky justified “rocket trains”.
2. Step 2. Multistage rocket — is made of — Kerosene. The fuel is kerosene.
3. Step 3. Kerosene — is used in — Kerosene lamp. The fuel.
4. Step 4. Kerosene lamp — has part — Wick. A wick.
5. Step 5. Wick — is part of — Davy lamp. A wick.

Open Evothings