• disguy_ovahea@lemmy.world
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    2 days ago

    What the fuck is Celsius?

    Celsius is the temperature scale of water.

    One milliliter of water occupies one cubic centimeter, weighs one gram, and requires one calorie of energy to heat up by one degree Celsius; which is one percent of the difference between its freezing point and its boiling point.

    • rottingleaf@lemmy.world
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      2 days ago

      100 to 1 relation kinda breaks the beauty a bit. But yeah, metric system is easy.

      It’s still convenient not due to some inherent laws, but because it was designed to be that.

      So people used to counting non-trivial things in non-metric systems might a bit better understand what they are thinking about.

      Also, eh, the obvious forgotten trait, 0 by Celsius being the freezing temperature (of some ideally clean distilled water, not really) is very convenient. 20 deg - normally hot, 15 deg - kinda normal, 10 deg - a bit chill, 5 deg - chill, 0 deg - definitely should wear more than a t-shirt, -5 deg - boring winter, -10 deg - crisp winter, -15 deg - good winter, -20 deg - how winter should be. The symmetry.

    • exasperation@lemm.ee
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      2 days ago

      There’s never gonna be a universally good unit for energy. Calories work well for heat, watt hours for stored or metered electrical energy, even electron volts for certain quantum physics. Plus the actual SI standard of joules.

    • kbotc@lemmy.world
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      2 days ago

      Except 100 C isn’t the boiling point, it’s 99.97 C, and that is only accurate if you define in an arbitrary pressure of 1 bar, which is defined as “Do not use” and was eventually stuffed into a measurement as dumb as the mile: 101325 Pa.

      • disguy_ovahea@lemmy.world
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        1 day ago

        That’s true. Fahrenheit is just as flawed. It was originally created so 0° was the freezing temperature of brine (an inconsistent solution) and 100° as the average internal human body temperature (actually 98.6°).

      • disguy_ovahea@lemmy.world
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        2 days ago

        You’re more water than anything else though. Well, unless you ask a nuclear physicist. They’d say you’re more empty space than anything else. Don’t get me started on quantum physicists.

      • Oniononon@sopuli.xyz
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        1 day ago

        Water is the most important resource for you that you have to put effort into using.

        The celcius measures wether your water is frozen outside or not. Wether you are going to break your bones walking and crash your car or not.

        You also use high end to measure weather the water is now safe to drink or not. If you can make tea or coffee with it or not. How you brew espresso and how close it is to steam.

        Beyond that its random number nonsense where you hard memorize numbers and properties like farenheit, except celsius has 0 and 100 in places that you use every day. And it plays well with other units of measurments.

        Bit at the end of the day the people saying farenheit is good are the people who said trump is the best president.