A Bone Drill On Human Skin

Transcript

This drill bit spins at 37,000 RPM. So, as you can imagine, it easily cuts through bone, but no matter what I do, I can't get it to damage my skin. Now, if you watch my cast saw video, you might think you already know what's going on here, but actually, the explanation is completely different. The reason a cast saw doesn't cut through skin is becau... Read More