A hole is nothing. Or more precisely, it’s the absence of something—wood, metal, concrete, or any number of different materials. Since holes are nothing, why do we care about them and how to make them ...

When you’re working with tools, if you need to make a round hole, you reach for a drill. If you need a square hole, you reach for a saw. But a new accessory called the Quadsaw lets your drill cut ...

There are times in a man’s life when he needs to drill a square hole through an 8mm thick piece of steel. If that man doesn’t have one or two thousand dollars to spend on commercial tooling to do this ...