Outer metal foil coating and smart meter: what they have in common

1. Step 1. Outer metal foil coating — is part of — Leyden jar. Foil on the outside of the jar.
2. Step 2. Leyden jar — evolved into — Capacitor. The Leyden jar was the first capacitor.
3. Step 3. Capacitor — is part of — RAM. A DRAM bit is stored in a tiny capacitor.
4. Step 4. RAM — is part of — Laptop. RAM holds the open programs while the laptop is on.
5. Step 5. Laptop — has part — Liquid-crystal display. An LCD screen.
6. Step 6. Liquid-crystal display — is part of — Smart meter. A display.

Open Evothings