"A prank I did for April Fool's Day for my math class. I "accidentally" drew on the projector with a whiteboard marker, and get help from the YouTube video..." From http://www.reddit.com/r/aprilfools/comments/ba97w4/b... continue reading
posted by ant![Ranked #2 - 152616 votes - 5083 star points](https://videosift.com/cdm/stars/galaxy/ant.png?v=5)