If you’ve ever made pasta, you know what happens when you drop the noodles into a boiling pot: They absorb the water. Why? Pasta dries from an elastic dough as its water content evaporates. Compare this to concrete, “…a composite material composed of aggregate bonded together with a fluid cement which hardens over time.” It does not dry out. Minute Physics explains the chemistry and physics that make dams, bridges, towers, buildings, and other amazing structures so strong: Concrete Does Not Dry Out.
Watch these next: Shelter in 24hrs – Emergency Concrete-laced Canvas Tent, Chris Burden’s Beam Drop Inhotim, and Noodles & the principle of halving, a wonderful scene from The Ring of Truth.This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.
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