Electromagnet and parachute: what they have in common

1. Step 1. Electromagnet — has part — Copper wire. A winding.
2. Step 2. Copper wire — is part of — Transatlantic cable. A copper core.
3. Step 3. Transatlantic cable — has part — Gutta-percha. Insulation.
4. Step 4. Gutta-percha — is material for — Golf ball. “Gutty” balls were gutta-percha.
5. Step 5. Golf ball — uses — Drag. The dimples reduce drag.
6. Step 6. Drag — is used in — Parachute. The canopy creates drag.

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