Anyone who has ever had a paper cut knows how deceptively sharp paper can be when it hits you at just the right angle. But does that mean that a disc of paper spinning at high speed could function as a saw blade and cut through actual wood?
Youtuber John Heisz—maker of a sweet knife or two—decided to find out by replacing the normal, metal blade in his table saw with a hand-cut circle of paper. Turns out that while something as feeble as paper isn’t quite rigid enough to flatten out entirely it spins, it does have some cutting power, more than enough to slice through paper and cardboard. But wood? Take a look