Can You Melt Obsidian and Cast a Sword?

Over the past few months I’ve been working on this video as a follow-up to user comments on a previous video on if it’s possible to cast obsidian. This proved to be a major challenge that took six attempts, broke multiple crucibles and two different kilns. But I didn’t want to stop until I finally […]

How to build an automatic fume extractor #2 of 3

Hi, this is my soldering fume extractor that I built a couple of episodes back. Today I want to upgrade it, so it will serve me even better. The idea is to automatically turn on the fans when soldering fumes are detected and turn the fans off, when the air is clean again. Let me […]