Quill pen and computer: what they have in common

1. Step 1. Quill pen — uses — Capillary action. Ink is held in the shaft by capillary action.
2. Step 2. Capillary action — is used in — Heat pipe. The liquid returns along the wick by capillary action.
3. Step 3. Heat pipe — is part of — Laptop. Heat pipes.
4. Step 4. Laptop — has part — RAM. RAM holds the open programs while the laptop is on.
5. Step 5. RAM — is part of — Computer. RAM.

Open Evothings