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 ...

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 ...

It’s often said that you don’t need a drill bit; what you need is a hole. How you make that hole is up to you, but it’s a given that you want to make it as efficiently as possible. The drill bit, ...