This Mathematics professor at Biola University in California, Matthew Weathers, has a knack for technology. With his Computer Science degree from USC, he has created the most clever prank using the projector screen and a computer in his classroom, that his students get a kick out of. After watching the video below, you'll see why!
He also did this shadow prank with his Math class:
If you like the prank so much that you want to try it in your classroom, as well, then watch the video below to see him explain how it's done!
Cover image via YouTube/MDWeathers