Sunscreen and solar panel: what they have in common

1. Step 1. Sunscreen — uses — Ultraviolet. It absorbs UV.
2. Step 2. Ultraviolet — is used in — Fluorescent lamp. UV excites the phosphor.
3. Step 3. Fluorescent lamp — uses — Plasma. A discharge in mercury vapour.
4. Step 4. Plasma — is used in — Ion thruster. An ionized gas.
5. Step 5. Ion thruster — has part — Solar panel. Power supply.

Open Evothings