Top 5 strongest metals

5. Osmium. Osmium is a bluish white colour. Its melting point is 3030 degrees C. It was discovered in 1803. Osmium is producing very hard alloys that used in fountain pen tips, needles and electrical contacts. 10 % osmium and 90% platinum uses in surgical implants like pacemakers and replacement heart valves. You can also […]

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 […]