Knives Project on MSN

Forging a Damascus katana from a massive steel bearing

A large industrial bearing serves as the unlikely starting point for this Damascus steel katana build. The project follows ...
How Ridiculous on MSN

This 450MPM Sword Machine And It's Terrifying

They mounted multiple katanas to a spinning rig and cranked it up to 600 RPM - roughly 400 km/h at the blade edge. Bananas ...