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My dad told me that he fractured a piece of cast iron.
He said he placed the broken pieces together and it healed it's self....
Now I see this:-
He said he placed the broken pieces together and it healed it's self....
Now I see this:-
Cracked Piece of Metal Heals Itself in Experiment That Stuns Scientists
File this under 'That's not supposed to happen!': Scientists observed a metal healing itself, something never seen before.
www.sciencealert.com