this post was submitted on 28 Mar 2024
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The scales have their places.
F is range of comfortable heat for humans. 0 oppressively cold, 100 is oppressively hot. Nearly all humans can agree on that.
C is range of comfortable heat for liquid water at 1ATM.
K is range of comfortable heat for an atom. Except atoms can handle lots of heat.
Wait is there a universal maximum temperature? There must be, right? Like, it has to be impossible for atoms and subatomic particles to move faster than the speed of light, right?
Nah, Fahrenheit doesn't have a place. Humans feel temperature differently to one another. You can't make a set scale about it.
Humans have been known to live and thrive in temperatures well below 0°, as well as above 100°. And while 50° is the middle, it isn't even a comfortable temperature for humans.
0° is based on what that one Polish town measured in winter during that one year 1709, only later did they find something to represent that temperature.
The world doesn't need Fahrenheit. Humans don't need it either.
Having this:
And this:
In the same comment is wild. Which is it, people all feel temperature differently so it's impossible to make everyone agree on a scale, or Celsius is the one scale that everyone must agree on?
So 50°F is perfect room temperature, right?
I always have to comment when I read s.th. like this. And I read it a lot when it comes to temperature scales. Celsius is completely fine scale for humans, most of the world uses it without any complaints. A human cannot tell 22° and 23° C apart. Even americans using Fahrenheit say something like "temperature is in the fifties". Fahrenheit (like lots of other scales in the US) has no real place in this world anymore except in this special american view of things...
Apparently there is, called the Planck temperature
https://www.pbs.org/wgbh/nova/zero/hot.html#:~:text=It's%20called%20the%20Planck%20temperature,degrees%2C%20or%201032%20Kelvin.
thats very arbitrary. Normal temperature is between 0 and 30 C, and 15 C is comfortble for most people
I keep my thermostat at 15 C all winter because that's as low as it will go. I can assure you "most people" are not comfortable at 15 C. My sample set is "every person that ever visits my flat during winter", and "every person" complains about how cold it is.
I do think C should probably scale by a factor of two as F roughly does for human temps because every temp control I have that uses C uses half degrees as well.
The theoretical maximum possible temperature is about 142 nonillion Kelvin (1.42x10^32 K), which is known as Planck Temperature. Current models of physics break down beyond this point, and it would only be possible at a state of thermal equilibrium. So possibly at the first instant after the Big Bang, and never again
https://en.wikipedia.org/wiki/Planck_units
How do you know if the liquid water is comfortable? Did you ask it?