Glider and glasses: what they have in common

1. Step 1. Glider — evolved into — Aeroplane. The Wrights added an engine to a glider.
2. Step 2. Aeroplane — has part — Propeller. Propeller aircraft.
3. Step 3. Propeller — is part of — Quadcopter (drone). Air propellers.
4. Step 4. Quadcopter (drone) — has part — Smartphone camera. A camera.
5. Step 5. Smartphone camera — is part of — AR glasses. Cameras.
6. Step 6. AR glasses — evolved from — Glasses. Glasses with a display.

Open Evothings