Part of that is probably because we’ve gotten so good at making them that they’re seen as cheap commodities, but the physics and engineering behind the screw thread is interesting stuff.

We’ve all been there – that last stubborn screw, the one thing between you and some real progress on a repair or restoration. It’s stuck tight with thread-locking fluid, and using more ...

This is because subtle vibrations from external or internal sources such as the rotational force of an engine ever-so-slightly nudges the screws up on their threads. To prevent this from happening ...