Science Memes

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Seriously. (lemmy.ca)

submitted 2 months ago by [email protected] to c/[email protected]

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[+] [email protected] -6 points 2 months ago (20 children)

This is why Celsius is the only SI unit that isn’t just wholly better than its imperial counterpart. Both F and C are fairly arbitrary, but in my view F has the slight edge by giving numbers 0-100 in most weather conditions across earth.

[+] Soulg -14 points 2 months ago (12 children)

Yep Celsius is 1-100 for water and Fahrenheit is 1-100 for humans

[–] [email protected] 25 points 2 months ago (9 children)

I've always hated this justification of Fahrenheit. For it to be a good argument, 50 °F would need to be the ideal comfortable temperature. But instead 50 is really fucking cold. 100 just isn't as hot as 0 is cold.

[–] [email protected] 4 points 2 months ago* (last edited 2 months ago) (1 children)

Fully agree with you. How does that make sense:

Really hot summer days (30°C) are 86°F

Usual summer days (25°C) are 77°F

Room temperature is ~70°F

Spring / autumn days (20°C) are 68°F

Chilly outside / late autumn / early spring days (~10°C) are 50°F

Cool outside / warm winter days (~0°C) are 32°F

Cold outside / usual winter days (-10°C) are ~15°F

Winter nights (bit below -20°C) are ~ -10°F

Fahrenheit users keep saying how strange it is to have negative temperatures when using °C, but it's just the same in Fahrenheit except the whole scale makes less sense since it's using fully arbitrary, not recreatable points for 0 and 100.

[–] [email protected] 0 points 2 months ago (1 children)

I mean, I deliberately avoided using terms like "hot summer days" and "usual winter day" because that's far more dependent on where you are. Where I am it's:

Really hot summer days (35 ℃)
Usual summer days (30 ℃)
Room temperature (24 ℃)
Spring / autumn days (25 ℃)
Chilly outside (18 ℃)
Cold outside / usual winter days (15 ℃)
Winter nights (10 ℃)

So I used words that are about the experience of a person in those temperatures in comfortable light clothing, rather than times of year. And obviously there's some subjectivity there, with some people being more comfortable in cold temperatures than others. But still, we're talking about the comfortable mid point varying from mid 20s to high 10s. There's no reasonable world in which 50 ℉ (10 ℃) is the midpoint.

[–] [email protected] 3 points 2 months ago

Yes, it doesn't matter which example you take, Fahrenheit never makes sense imo.

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