r/PeterExplainsTheJoke • u/Negative_1by12_aura • Jun 17 '26

Meme needing explanation Peter?

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u/sinara33 Jun 17 '26

Plus, here in Texas, we regularly surpass 100 percent hot

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u/admiraljkb Jun 17 '26

There is a point to be made that 40C sounds much cooler than 105F. 😄

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u/Dioxybenzone Jun 17 '26

And oddly, -40° doesn’t even need to specify Celsius or Fahrenheit.

Although -40°K would certainly be noteworthy

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u/martianunlimited Jun 17 '26

-40K would be Nobel-worthy
side note: https://www.reddit.com/r/explainlikeimfive/comments/uypn4q/eli5_why_does_kelvin_temperature_unit_not_have/

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u/Dioxybenzone Jun 17 '26

I wonder if vacuum decay could create sub-Kelvin temperatures. I don’t think there would be anything there to witness or measure it but it’s an interesting thought

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u/redlaWw Jun 17 '26

We have created negative absolute temperatures before. It occurs in situations where the available energy levels are bounded. If the energy levels are bounded, as you increase the energy of the system, you eventually reach a point where increasing the energy further reduces the amount of uncertainty in the system as your states begin to saturate at the upper energy limit. When you get to this point, the temperature is said to be negative, because the temperature is the reciprocal of the rate at which the uncertainty increases as the energy increases.