[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 ...

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In the background, grandma is looking for her sewing kit and finds her husband's circular saw blades. Not funny, granted, but those cartoons never are. What they have is observational truth ...

a scroll saw blade can only cut in one. If you tried to make a sharp turn on a scroll saw, you’ll just snap the fragile blade right off. To work around this limitation, [Andrew] came up with the ...