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2.4yr
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Scientists Watch Broken Metal Heal Itself

https://nautil.us/scientists-watch-broken-metal-heal-itself-356873/
Flying Squid - 2.4yr

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TonyTonyChopper - 2.4yr

pretty neat, they have good pictures in the original article. You could post the original article over on Mander microscopy

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fossilesque - 2.4yr

Go for it. I'm about to post another one there. :)

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