Video: Ceramic head cuts one of the toughest metals in the world

That big block of metal is inconel, an extremely tough "austenitic nickel-chromium-based superalloy," one of the strongest metals known to humans, used in "in extreme environments subjected to pressure and heat" like nuclear plants. How do you cut such a hard thing? Let's watch a video.



Source:
http://sploid.gizmodo.com/cool-video-ceramic-head-cuts-one-of-the-toughest-metal-1634910407