this post was submitted on 07 Sep 2024
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Science Memes

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Seriously. (lemmy.ca)
submitted 1 month ago by [email protected] to c/[email protected]
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[–] [email protected] 85 points 1 month ago* (last edited 1 month ago) (4 children)

Pedantry:

K and °R agree on 0
K and °C agree on the unit difference
°F and °R agree on the unit difference
°R and °Ra are the exact same thing (??)

[–] [email protected] 33 points 1 month ago (2 children)

Celsius and Fahrenheit agree on -40, but since they're scales that scale at different rates there's bound to be some value where they intersect rather than some meaningful number like Kelvin and Rankine being zeroed to Absolute Zero

[–] [email protected] 32 points 1 month ago

Same with 574.59°F = 574.59K

[–] [email protected] 5 points 1 month ago* (last edited 1 month ago)

Two lines which are not perpendicular will meet at one point?

[–] [email protected] 29 points 1 month ago (1 children)

Also Rankine, being an absolute scale, theoretically shouldn't be in ° anything, and it's only some weird historical quirk that is the reason it usually is called degrees.

[–] [email protected] 1 points 1 month ago (1 children)

I am not sure I follow that. The scale is always relative right? It’s just the zero that’s absolute. But that’s also the case with measuring angles where we do use the degree symbol.

[–] [email protected] 4 points 1 month ago

It’s just the zero that’s absolute

Right, that's what makes Rankine and Kelvin absolute scales, while Fahrenheit and Celsius are relative.

[–] [email protected] 19 points 1 month ago* (last edited 1 month ago) (1 children)

Good thing °R and °RA aren’t pointing guns at each other

Neither are °F and °R nor °K and °C

This is almost artfully done

[–] [email protected] 1 points 1 month ago

This screenshot is a little bit hard to see, but from what I can tell:

°RA is pointing at °R and °C
°C is pointing at K and °F
K is pointing at °R and at °F
°R is pointing at °F (and the other gun isn't aimed at anyone in particular)
°F is pointing at K and at °C

Emphasis disproves your claims, sadly. Perhaps there was another way to label them to make it fit, but that's not what was done here.

[–] [email protected] 11 points 1 month ago

°R and °Ra are the exact same thing (??)

I think °R is supposed to be Réaumur