Magnetic tape and steam turbine: what they have in common

1. Step 1. Magnetic tape — uses — Magnetism. Recording by magnetization.
2. Step 2. Magnetism — is used in — Compass. The needle aligns with the Earth’s magnetic field.
3. Step 3. Compass — evolved into — Gyrocompass. A compass without a magnet.
4. Step 4. Gyrocompass — is part of — Ironclad. Steel ships distort a magnetic compass.
5. Step 5. Ironclad — evolved into — Aircraft carrier. The first aircraft carriers were converted from battleships and cruisers.
6. Step 6. Aircraft carrier — has part — Steam turbine. Turbines (powered by a reactor on nuclear carriers).

Open Evothings