Accidentally filming triboluminescence by shooting two air cannons loaded with glass spheres directly at each other. https://en.wikipedia.org/wiki/Triboluminescence

posted by newtboy 1 year 1 month ago • 123 views • 22:27

The executive desk toy is alright for about 25 seconds. But what if it went a little bit faster? Nothing that a compressed air cannon can't solve while Gav and Dan film it 4000 times slower than you can see. ... continue reading

posted by BSR 2 years 11 months 1 week ago • 136 views • 12:17

I recently had the idea for this new vacuum cannon design that many of you might be interested in. Since it hasn't been very long since my last vacuum cannon video I thought I would make this a more casual... continue reading

posted by Mordhaus 7 years 9 months 1 week ago • 16 views • 10:29

Kablooey YouTube: Theoretical Physicist Brian Greene explains supernovas and demonstrates how a star like ours eventually dies. Oh, and he breaks a world record, too

posted by PlayhousePals 8 years 9 months 3 weeks ago • 696 views • 5:30

YouTube description: Remember the childhood hours of fun spent blasting your friends with neon-tinged water cannons? You can thank a NASA scientist for that. In 1982, Lonnie Johnson designed the Super... continue reading

posted by Aard Vark (oritteropo) 8 years 11 months 2 weeks ago • 504 views • 2:31