Neutron and radio: what they have in common

1. Step 1. Neutron — is used in — Nuclear fission. Fission by neutrons.
2. Step 2. Nuclear fission — evolved from — Radioactivity. Studying radioactive decay led to the discovery of fission.
3. Step 3. Radioactivity — is used in — Geiger counter. It detects particles.
4. Step 4. Geiger counter — has part — Loudspeaker. Clicks for every particle.
5. Step 5. Loudspeaker — is part of — Transistor radio. A loudspeaker.
6. Step 6. Transistor radio — is a kind of — Radio. A radio receiver.

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