The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these mechanisms. Part of that is probably because we’ve gotten so good at making ...

We’ve all been there – you’re trying to unscrew something, but the screw just won’t budge. It’s not your average screw, though. This one might be a tamper-proof or one-way screw ...

Named for its inventor, the Greek mathematician Archimedes (237-212 BCE), the Archimedes screw is a device for raising water. Essentially, it is a large screw, open at both ends and encased lengthwise ...

When you walk through the typical DIYer's home examining the screws they use (to make this realistic, let's assume you're a father-in-law or home inspector), you'll usually find one of three ...