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Deleted from r/science! Scientist + liquid nitrogen + 1500 ping pong balls = boomhappy funtime : r/geek
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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
25,000 PING PONG BALL EXPLOSION - DIY Sci S02:E01 on FOX | What happens when you send 25,000 ping pong balls flying inside the @Denver Museum of Nature & Science? You create
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