Nuclear Fission Modeled with Hundreds of Ping-Pong Balls and Mousetraps

Didn’t have Mr. Wizard to explain nuclear reactions to you as a tot? The students at Horizon Science Academy Cleveland are here to help: When they throw one ping-ping ball into a setup of 300 mousetraps and 600 ping-pong balls, it becomes clear why one measly little trigger can set off a massive, high-energy fission chain reaction.

(via B&P)

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