Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Screws are everywhere. They hold your life, and your furniture, together. Screws come in all different shapes and sizes but chances are you're probably only familiar with a few of them. There's ...

If you've ever mistakenly grabbed the Phillips head screwdriver when you needed a flat head, you've probably asked yourself why there are different types of screws. Let's start at the beginning. The ...

If you’ve ever undertaken any sort of home repair project, it’s all but assured you have either used or heard the following phrase: “Hand me the Phillips head screwdriver.” This distinction is key, as ...

JIS screws: Myth or Miracle? That is often the question when it comes to discussing JIS or Japanese Industrial Standard screwdrivers. I’ve been told there is no difference between a standard Phillips ...