Separator diaphragm and laser: what they have in common

1. Step 1. Separator diaphragm — is part of — Electrolyser. It separates hydrogen and oxygen.
2. Step 2. Electrolyser — has part — Rectifier. A direct-current supply.
3. Step 3. Rectifier — uses — Semiconductor. Modern rectifiers are semiconductor diodes.
4. Step 4. Semiconductor — is material for — Laser. Maiman’s first laser was a ruby crystal; today it is more often a semiconductor.

Open Evothings