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How Trebuchets Work: Medieval Machines Explained
Kamri Noel asks National Geographic’s Tom O’Brien about the physics of medieval trebuchets. ➡ Subscribe for more National Geographic Kids videos: http://bit.ly/SubscribeToNatGeoKids ➡ Check out our playlist: http://bit.ly/WatchMoreHowThingsWork ➡ Visit our website: http://bit.ly/NGKidsHTW About How Things Work: 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. Check out our other fun series!: Cool
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