Molten Metal in a Vacuum

[Captioned via Y Translator] This video is sponsored by NordVPN. Molten metal in a vacuum chamber, what happens to it? Will it bubble and boil like water? Will it hold its heat for a really long time? We’re going to find out. [Music] For years, we have done experiments using a vacuum chamber, and we’ve […]

The Scariac (Poor Mans Variable Power Controller)

Mixing water with electricity is typically discouraged, and for good reason, but in this project we’re pumping electricity into water, and a bit of drain cleaner to create a poor mans power controller. You might have heard of a Variac. This is the Scariac. In a couple of other projects, we fashioned a homemade stick […]

Making an ARC Welder – Part 2 of 2

In part 1 of this project, we scavenged some parts from household appliances, and modified them so we could weld metal. In this project, we’ll be rigging up the electrical system, and adding some finishing touches so that our homemade stick welder is ready for operation. I started this project with a scrap piece of […]

How To Make An Electrical Arc Furnace

Chances are you’ve thrown these things in the trash without even knowing it. But if you use them like this, they’ll spawn an electric arc hot enough to melt any metal known to man, and even turn rocks into lava. In this project we’re modifying a fire brick and some flashlight batteries, to build an […]