[John Heisz] was contemplating the secrets of the universe when an errant thought led him to wonder, could I use a sheet of paper as the blade in my table saw? He takes a sheet of regular printer ...

A new circular saw blade might cost you 10 bucks or so ... They must be shaped with a diamond-impregnated abrasive. While grinding the tips of the carbide might provide some minor improvement ...

Conventional benchtop chop saws that cut metal with an abrasive disk work fine for ... by putting a carbide-tooth metal cutting blade in a regular circular saw and you’ll end up buying two ...