Radar-absorbing material and micrometer: what they have in common

1. Step 1. Radar-absorbing material — is used in — Stealth technology. Coatings.
2. Step 2. Stealth technology — is used in — Jet fighter. Low observability.
3. Step 3. Jet fighter — is a kind of — Aeroplane. An aircraft.
4. Step 4. Aeroplane — has part — Propeller. Propeller aircraft.
5. Step 5. Propeller — uses — Screw. A propeller “screws” itself into the water, like an Archimedes’ screw.
6. Step 6. Screw — is used in — Micrometer. A precise screw with a 0.5 mm pitch.

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