Despite being just a fictional character from a TV show, MacGyver was a hero to many kids who grew up during the late '80s and the early '90s. In every episode, he would save the day using nothing but stuff he found lying around. Remember that time when he defused a bomb using a paper clip? Yeah, that's the kind of MacGyverisms we're talking about.

In real life, a paper clip won't be of much use in such a scenario, but it may come in handy for more tasks than just attaching two pieces of paper together. For example, it can be used for ejecting the SIM card tray of a modern smartphone. ...