Let’s be honest, spending time in the office isn’t always the most fun part of the day. Looking for some fun trivia to impress your co-workers around the watercooler? Here are 10 fun facts about office supplies:   1. Astronauts use pencils in space. The pencil isn’t just for taking tests in school. In fact, astronauts count this simple tool as one of their essentials for a trip to the moon. Why is the pencil so special? Because it can write just as effectively whether it’s upside down or in zero gravity.   2. Revive old permanent markers with alcohol. When you think your favorite green Sharpie is finally dried...