I knew there wouldn't be a cut-and-dried answer that holds some amazing secret, like the shining briefcase in “Pulp Fiction.” ...

Using a carbon electrode torch connected to his arc welder, a setup that’s similar to the one he used to make synthetic rubies, [NightHawkInLight] is able to strike an underwater arc inside a ...

The first test proved to be a little underwhelming, and [Cody] had to try something drastic — so he hooked it up to an arc welder to fire the projectile using 22V and 200A.