Super Steel: How Zapping Metal Makes it Stronger for Awesome Trucks!
Ever wonder how super strong armor for tanks and big trucks is made? It's not magic, it's science!
Imagine you have two pieces of a yummy chocolate bar, and you want to stick them together so strongly that they never, ever break apart. Scientists are doing something similar with super strong steel, but instead of chocolate, it's for things like armor on military vehicles!
They're using a cool trick called 'friction stir welding.' Think of it like a super-fast, super-hot mixer that stirs the edges of two metal pieces together. Instead of melting them like regular welding, it makes the metals so soft they blend into one perfect, super-strong piece!
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Based on reporting by Phys.org Tech.