Backpack and particle accelerator: what they have in common
- Step 1. Backpack — is made of — Nylon. Nylon.
- Step 2. Nylon — is material for — Hot air balloon. A light, strong envelope fabric.
- Step 3. Hot air balloon — evolved into — Airship. A steerable balloon.
- Step 4. Airship — uses — Helium. After the Hindenburg — helium.
- Step 5. Helium — is material for — Large Hadron Collider. It is cooled with superfluid helium.
- Step 6. Large Hadron Collider — is a kind of — Particle accelerator. An accelerator.