this post was submitted on 17 Jul 2025
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temperature invariant length (lemmy.world)
submitted 2 weeks ago by vertigofilip@lemmy.world to c/science@lemmy.ml
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I was thinking about lengt/temperature/temperature coefficient. Not very useful, but you could measure and compare sizes across temperatures.

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[–] notabot@piefed.social 2 points 2 weeks ago

That's pretty much what a mercury thermometer does. As the temperature changes so does the volume of the mercury, which causes the level to move up and down, and the temperature scale on the side is just a measure of how high the mercury reaches.

[–] pinny@lemmy.ml 1 points 2 weeks ago (1 children)

That's just mass with extra steps

[–] vertigofilip@lemmy.world 1 points 2 weeks ago

Not really, it is just length with adjustment for thermal expansion.