Particle detector and sickle: what they have in common

1. Step 1. Particle detector — is part of — Particle accelerator. They record the collisions.
2. Step 2. Particle accelerator — evolved from — Van de Graaff generator. Early accelerators.
3. Step 3. Van de Graaff generator — is made of — Vulcanized rubber. The belt is rubber.
4. Step 4. Vulcanized rubber — is material for — Reflex hammer. A rubber head.
5. Step 5. Reflex hammer — has part — Handle. A handle.
6. Step 6. Handle — is part of — Sickle. A short one-handed handle.

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