• uienia@lemmy.world
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    10 months ago

    Americans always regurgite the “Fahrenheit is how people feel” nonsense, but it is just that: nonsense. Americans are familiar with fahrenheit so they think that it is more inituitive than other systems, but unsurprisingly people who are used to celsius have no problems using it to measure “how people feel” and will think it is a very inituitive system.

    • Stalinwolf@lemmy.ca
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      10 months ago

      Can confirm. Moved from the US to Canada and maybe a year of using Celcius revealed to me just how fucking stupid and convoluted Fahrenheit is. My dad spent three weeks out here and started using Celcius on his phone. Now I only use Fahrenheit when dealing with fevers or temping cases of suspiciously overripe produce.

      Fellow Americans. Celcius is superior and more intuitive for those who take a moment to adjust to it. It is okay to accept this as fact without developing an inferiority complex. USA not always #1. USA quite often not #1 and that is okay. It is okay for USA to not be #1 without developing an inferiority complex.

      • CluckN@lemmy.world
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        10 months ago

        Fahrenheit has a fine granularity that is lost in cold climates. It’s why the Bahamas/Belize use it as well.

        • Johanno@feddit.de
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          10 months ago

          Well you know that you can use the decimals?

          How is - 40.000001°F more fine than - 40.00000000001°C?

          23°C is a nice room temperature.

          18°C is a bit chilly but still a comfortable temperature.

          If you want to go for a finer destinction then we cann say 18.5°C is warmer but I personally can’t feel the difference.

          • CluckN@lemmy.world
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            10 months ago

            Our bodies are mostly water why not use a system that reflects this?

          • rimjob_rainer@discuss.tchncs.de
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            10 months ago

            Slightly off topic, but 23°C is a nice room temperature? We have our thermostats at 20°C and I find it quite warm. In the sleeping room we have 18°C and so do I have in my office, which I find quite comfortable. I hate visiting my parents, they always have 22.5°C which I find uncomfortably warm.

            Well it’s all subjective after all, I’ll be happy about chilly 23°C inside when summer comes.

          • Wolf_359@lemmy.world
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            10 months ago

            I can feel the difference between 71 and 73 in my house.

            At 73, my kids room is uncomfortably hot. At 71, it has a perfect chill for sleeping.

            • FooBarrington@lemmy.world
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              10 months ago

              What is your point? That people who use Celsius can’t feel the difference between 21.7°C and 22.8°C?

              If you’re worried about your thermometer, you’ll be happy to hear that metric ones usually have finer precision than Fahrenheit ones, since they go in .5°C steps. Since +1°F means +5/9°C, you have less precision!

              • Blue_Morpho@lemmy.world
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                10 months ago

                The point was they need that extra decimal because C isn’t good for human temperature sense.

                It’s not like you are prohibited from using decimals in Fahrenheit. It’s that you don’t need 3 digits because it works better for people.

                And fuck you for making me defend the most ass backwards measurement system on the planet.

                • FooBarrington@lemmy.world
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                  10 months ago

                  It’s just an incredibly weak defense. Why is it worse for C to use an extra decimal for these differences? I can just as well argue that C is a more accurate representation, because small differences in temperature are smaller. Just like your argument, this is purely an opinion - until you can show me that not needing the extra decimal is objectively better, or until I can show you that smaller differences being represented as such is objectively better, neither of them holds any weight.

                  • Blue_Morpho@lemmy.world
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                    10 months ago

                    It’s the same reason we use abbreviations and contractions when speaking. A trivial simplification is still a simplification.

                    Why bother with Celcius at all when there is Kelvin. Even Kelvin is arbitrary. Best to use Planck normalized temperature. The scale would be absolute 0 to 100 where 0 is absolute 0 and 100 is 10^32 Kelvin.

                    So whenever you have to tell someone the temperature outside, you say it’s 0.000000000000000000000000015237 Planck

                    If 3 digits isn’t more a tiny bit more cumbersome than 2, then 32 digits is fine too.

              • Wolf_359@lemmy.world
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                10 months ago

                I don’t know if my thermostat is just wrong or if the layout of my house makes it inaccurate, but 64-65 in my house is frigid.

                Plus we have a baby so 67-68 is really the lowest we could go at night I think.

                But I agree, I sleep better in general when the blankets are warm and the house is cold!

        • imaqtpie@sh.itjust.works
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          10 months ago

          Save yourself before it’s too late.

          Do not say anything positive about Fahrenheit in this thread… the Temperature Scale Inquisition is watching closely for any dissent from the party line.

    • ryathal@sh.itjust.works
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      10 months ago

      Both are equally arbitrary. You just have to know a handful of temperatures that you use in your day to day life either way.

        • marcos@lemmy.world
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          10 months ago

          Hum… Around here water boils at ~96°C (some labs measure that). And it seems to not freeze at 0°C anywhere on Earth, as it’s never pure water, with never an homogeneous freezing point.

          It is repeatable, it’s not very arbitrary, but “intuitive” doesn’t apply in any way.

          • mypasswordistaco@iusearchlinux.fyi
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            10 months ago

            You must be at altitude. That definitely makes a difference for the boiling point, but of course water freezes at 0. Impurities that you’ll encounter in tap water, for example, will not have a large effect on freezing point.

            Even if it was different by a few degrees, how does that make the scale any less intuitive?

            • ryathal@sh.itjust.works
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              10 months ago

              No it really doesn’t. Knowing water freezes at 0 gives you no help in day to day life vs knowing 32 or 300 for water to freeze. You still have to be cautious driving above the freezing point. Your refrigerator sits a few degrees above 0 instead of 35 or 305.

              Knowing it’s 20 out only tells you useful information because you memorized what that feels like. You could just have internalized what 375 feels like.

              Celsius is nice if you need to build a thermometer from scratch. That’s not something people generally do.

    • inverted_deflector@startrek.website
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      10 months ago

      Celsius is more intuitive for like science or lab work but for day to day use either one is really arbitrary based on what you’re used to.

    • Lizardking27@lemmy.world
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      10 months ago

      I mean, you’re 100% wrong. Fahrenheit isn’t “how people feel” arbitrarily, it’s almost literally a 0-100 scale of how hot it is outside. You need no prior knowledge to interpret a Fahrenheit measurement. Which really reflects poorly on everyone who says “Fahrenheit doesn’t make any sense” because if they were capable of any thought at all they would figure it out in 2 seconds, like everyone else. I’m a lab rat that uses Celsius all day every day, I’m just not a pretentious stuck up tool about alternate measurements just because I refuse to understand them.

    • ShakeThatYam@lemmy.world
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      10 months ago

      I like that Fahrenheit has a narrower range for degrees. 1C is 1.8 degrees F. So, F allows you to have more precision without the use of decimals. Like, 71F feels noticeably different to me than 64F, but that is only a 3.8 degree difference in C.

      • Ilflish@lemm.ee
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        10 months ago

        But that also doesn’t matter because the granularity is meaningless if you don’t make decisions for differences between 71F and 70F

        • ryathal@sh.itjust.works
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          10 months ago

          Not at those exact temperatures, but one degree matters in in grilling meat, making mash for beer, making candy, etc.

          • matti@sopuli.xyz
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            8 months ago

            Where in the chicken I jam the thermometer makes several degrees difference. If you truly require that level of granularity whilst grilling, I’d wager reading a decimal figure isn’t the end of the world. Us normies can continue to bring chicken to 74 and call it a day

      • matti@sopuli.xyz
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        8 months ago

        3 degrees celcius is easily noticeable too so that’s a bit of a moot point. If anything, 1 degree celcius is much harder to discern and therefore having an even more granular scale is unnecessary.

    • Ookami38@sh.itjust.works
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      10 months ago

      It is really easy to map onto human feel though. 0-100 pretty accurately maps onto our minimum and maximum realistically survivable temps, long-term, and the middle temperatures of those are the most comfortable. It’s far more round, when it comes to describing human preference and survivability, than Celsius is.

      • ioen@lemm.ee
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        10 months ago

        I bet a lot more people know what 0°C feels like than 0°F. One is freezing point, one is a completely arbitrary temperature which only gets called “the lowest you’ll experience” as a post hoc rationalisation of Fahrenheit. Most people will never experience anything that cold, some people experience colder.

        I even bet more people know what 100°C feels like than 100°F. One is accidentally getting scalded by boiling water, the other is a completely arbitrary temperature which is quite hot but not even the hottest you’ll experience in America.

        • ferralcat@monyet.cc
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          10 months ago

          What? People experience 100 f regularly. It’s literally their body temperature.

          • __dev@lemmy.world
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            10 months ago

            100F is a fever; if you’re experiencing those regularly you should go see a doctor.

        • Dudewitbow@lemmy.zip
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          10 months ago

          boiling water isnt necessarily 100c. if youre boiling water, it can be any arbitrary temperature above 100.

          thats like going to a geyser pit and saying thats 100c, when it isnt. when you cook and let water come to a boil, the chef doesnt care that its exactly 100c, only that its in the state above 100.

          • mypasswordistaco@iusearchlinux.fyi
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            10 months ago

            If anything it’ll be below 100 due to altitude. For example salt water for making pasta boils still at approx 100 deg. C. It takes quite a lot of salt (way more than you would ever want to consume) to meaningfully raise the boiling point.

          • __dev@lemmy.world
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            10 months ago

            if youre boiling water, it can be any arbitrary temperature above 100.

            That’s not how boiling works. The water heats up to its boiling point where it stops and boils. While boiling the temperature does not increase, it stays exactly at the boiling point. This is called “Latent Heat”, at its boiling point water will absorb heat without increasing in temperature until it has absorbed enough for its phase to change.

            There is an exception to this called superheating

      • Allero@lemmy.today
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        10 months ago

        No it doesn’t, unfortunately.

        What makes 0F (-18C) special? How do you estimate survivability at such temperature? If I’d be out on the street naked, I would die there in a matter of minutes. At the same time, there is plenty of places where winter temperatures go -40F (-40C) and even below, yet people very much survive and live there.

        Similar with 100F (38C). There are places with higher temps in the summer, up to 120F (49C) in some places, yet people survive. Still, if you’re not equipped with anything, 100F (38C) will burn you alive.

        All that not to mention that 50F (10C) is actually cold, not comfortable.

        Fahrenheit is only intuitive and “feeling-descriptive” because you’re used to it. From a person born in Celsius country, it’s really not less intuitive. I know I can be comfortable in my birthday suit at around 25C. Less than 20 is chilly, less than 10 - cold, less than 0 - freezing. More than 30 is hot, more than 40 is deadly.

        • Sludgeyy@lemmy.world
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          10 months ago

          0F is the temperature a freezer needs to be to keep food fresh.

          50F is the point that you can’t survive without clothes, your body will not generate enough heat.

          100F (38C) will not burn you alive. You can survive for a long time in a sauna at 200F.

          100F is perfect hot tub temperature

          • Allero@lemmy.today
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            10 months ago

            Freezer normally operates at -4F

            You can’t survive without clothes at 55-60F, either.

            100F will not burn you in an instant, but the comment went into long-term survival, and good luck surviving at that.

            • Sludgeyy@lemmy.world
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              10 months ago

              Not sure where you got -4F from.

              USDA, United States Department of Agriculture, recommends 0°F or -17.8°C

              100°F in the shade isn’t extreme, and you’d be able to survive normally (With more water, everyone can use more water)

              100°F is hot tub water

              120°F is recommended hot tap water

              140°F water will pretty much burn you instantly