Harp and gyroscope: what they have in common

1. Step 1. Harp — has part — Strings. Stretched strings of different lengths.
2. Step 2. Strings — is part of — Tennis racket. A string bed.
3. Step 3. Tennis racket — is made of — Carbon fibre. Modern frames.
4. Step 4. Carbon fibre — is material for — Quadcopter (drone). The frame is carbon fibre.
5. Step 5. Quadcopter (drone) — has part — Gyroscope. A MEMS gyroscope stabilizes flight.

Open Evothings