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Ping-pong ball cannon: Why do barrel and balls fly in the same direction?: American Journal of Physics: Vol 87, No 4
![Deleted from r/science! Scientist + liquid nitrogen + 1500 ping pong balls = boomhappy funtime : r/geek Deleted from r/science! Scientist + liquid nitrogen + 1500 ping pong balls = boomhappy funtime : r/geek](https://external-preview.redd.it/WWb5VEYPzhFo_wfUhhgxawrCSaLkPG_LRvZ2FBXLs5o.jpg?width=640&crop=smart&auto=webp&s=68357b2d8edb68f339d5446925daac0b77466087)
Deleted from r/science! Scientist + liquid nitrogen + 1500 ping pong balls = boomhappy funtime : r/geek
The One Show - 4000 ping pong balls and some liquid nitrogen and tonights show will go off with a BIG BANG of its very own!! Don't miss it! | Facebook
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