this post was submitted on 04 Dec 2023
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Physics

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Cracked Piece of Metal Heals Itself in Experiment That Stuns Scientists (www.sciencealert.com)
submitted 11 months ago by [email protected] to c/[email protected]
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[–] [email protected] 3 points 11 months ago* (last edited 11 months ago)

"A possible explanation involves a process known as cold welding, which occurs under ambient temperatures whenever metal surfaces come close enough together for their respective atoms to tangle together."

Am i silly or where is the difference? Cold welding is known for a long time, nothing to be stunned about.