this post was submitted on 14 Sep 2025
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Science Memes

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[–] jawa22@lemmy.blahaj.zone 4 points 2 days ago* (last edited 20 hours ago) (1 children)

Reminds me of my ingot of invar. Every few years I try to think of something to do with it, but still haven't come up with anything.

[–] zorblitz@mander.xyz 1 points 22 hours ago (1 children)
[–] jawa22@lemmy.blahaj.zone 1 points 20 hours ago

https://en.m.wikipedia.org/wiki/Invar

In short, it is an alloy that experiences almost zero thermal expansion or contraction.