Screw steamship and solar panel: what they have in common

1. Step 1. Screw steamship — evolved into — Ocean liner. A large steamship.
2. Step 2. Ocean liner — has part — Ship stabilizer. Stabilizers.
3. Step 3. Ship stabilizer — uses — Gyroscope. Gyroscopic stabilizers.
4. Step 4. Gyroscope — is part of — Space telescope. Pointing gyroscopes.
5. Step 5. Space telescope — has part — Solar panel. Solar panels.

Open Evothings