Demos by PIRA
5E20 Electrolysis
5E20.10Electrolysis of water produces hydrogen and oxygen.
5E20.15Bubble Electrolysis.
5E30 Plating
5E40 Cells and Batteries
5E40.20Gotham cell: Assorted metal electrodes in sulfuric acid bath.
5E40.60Storage cell: Gotham cell is charged up and rings a bell.
5E50 Thermoelectricity
5E50.10Thermocouple and thermopile, both make electricity from heat.
5E50.30Thermocouple magnet: Flame with ice bath, holds weight.
5E50.30Thermocouple magnet: Flame with water cooling holds weight.
5E50.60Peltier junction: Forward current freezes water drop, reverse boils.
5E50.60Thermoelectric fan: Fan runs off of hot and cold water.