How Trebuchets Work | How Things Work with Kamri Noel

Kamri Noel asks National Geographic’s Tom O’Brien about the physics of medieval trebuchets.
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Kamri Noel does more than just Google how things work—she gets some of the world’s most knowledgeable experts from National Geographic to explain.

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How Trebuchets Work | How Things Work with Kamri Noel
   • How Trebuchets Work | How Things Work...  

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