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Rigorous Science Santa's new delivery service: a... cannon?

Let's say Santa got himself a new toy: a present delivery cannon. With this new cannon, he wants to deliver presents to children by shooting their presents from the cannon into their chimneys. Let'...

3 answers  ·  posted 5y ago by John Zhau‭  ·  last activity 5y ago by John Zhau‭

Question santa-claus