In 9th grade, I scored a 3% on my final physics exam, an unfortunate truth made all the more embarrassing by the fact I studied my arse off. The reason for this? Science is borrrrrrring. But the thing is, it doesn’t always have to be. And few science guys know this more than Plymouth University professor Roy Lowry. As onlookers, uh, looked on, he an an assistant recently opted to show what happens when you place 1500 ping pong balls inside a garbage bin stuffed with contained liquid nitrogen. Specifically, liquid nitrogen that’s primed and ready to revert to its gaseous state.

Here’s a hint: once the balls were poured in, they ran away very, very quickly.

Here’s another hint: then there was a big freakin’ ping pong explosion.

Sorry, I guess that last part was more of a spoiler than a hint. I suck at science stuff, remember?