Uploaded June 2017 | Updated September 2026, 1 hour ago
I create a vacuum in the jar with a candle and then light a .7 mm mechanical pencil lead filament by attaching the system to a remote control car battery. Just like Edison!
I create a vacuum in the jar with a candle and then light a .7 mm mechanical pencil lead filament by attaching the system to a remote control car battery. Just like Edison!










