Guitar and solar panel: what they have in common

1. Step 1. Guitar — evolved into — Electric guitar. Electrification.
2. Step 2. Electric guitar — has part — Potentiometer. The volume and tone knobs on an electric guitar are potentiometers.
3. Step 3. Potentiometer — is made of — Nickel. The resistance wire is a nickel alloy.
4. Step 4. Nickel — is material for — Electrolyser. The electrodes are nickel.
5. Step 5. Electrolyser — uses — Solar power station. Green hydrogen.
6. Step 6. Solar power station — has part — Solar panel. A field of panels.

Open Evothings