We created the sharpest obsidian knife, surpassing the precision of a scalpel, using a 60,000 PSI waterjet to craft a very thin blade. The video also features the unique properties of petrified wood. ...

We collaborated with NFTI to produce the world's sharpest obsidian knife, achieving performance that surpasses traditional scalpels. Utilizing 60,000 PSI waterjet technology, we crafted an ...