4 ms·
Not pictured: everything is connected to mains voltage. The salt water bucket is just a huge current-limiting resistor to prevent tripping breakers or starting
by CapstanRoller 5y ago
Not pictured: everything is connected to mains voltage. The salt water bucket is just a huge current-limiting resistor to prevent tripping breakers or starting a house fire.
https://en.wikipedia.org/wiki/Liquid_rheostat https://en.wikipedia.org/wiki/Liquid_rheostat