Decades ago, every electronic device was sealed with one of two types of screws: a minus-shaped Flat/Slot head, or a plus-shaped Phillips head. There was no concept — at least, for common consumer ...

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, designed specifically ...