Gamma Knife and cannon: what they have in common
- Step 1. Gamma Knife — is a kind of — Radiation therapy. Radiosurgery.
- Step 2. Radiation therapy — uses — Medical linear accelerator. Treatment.
- Step 3. Medical linear accelerator — has part — Magnetron. A microwave generator (magnetron or klystron).
- Step 4. Magnetron — is part of — Radar. The cavity magnetron made compact radar possible.
- Step 5. Radar — is used in — Anti-aircraft gun. Radar guidance.
- Step 6. Anti-aircraft gun — is a kind of — Cannon. A gun.