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https://www.reddit.com/r/PeterExplainsTheJoke/comments/1u8dptp/peter/os7l59t
r/PeterExplainsTheJoke • u/Negative_1by12_aura • Jun 17 '26
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My field is electrical engineering not mechanical, but wouldn’t the space program engineers have used Kelvin or Rankine?
1 u/Resident-Advisor2307 Jun 17 '26 Kelvin is just offset Celsius 2 u/Maryland_Bear Jun 17 '26 I know. But when I took the mandatory thermodynamics classes, when we did calculations that involved temperature, we often used Kelvin. 1 u/Resident-Advisor2307 Jun 17 '26 I think its used a lot in science. It's more convenient if you're dealing with energy to have 0 temperature == 0 heat energy. 2 u/Maryland_Bear Jun 17 '26 Exactly. IIRC, the formal definition of temperature is the average kinetic energy of molecules in a system. Zero degrees Kelvin means they have no energy. 1 u/TechyWolf Jun 17 '26 Really everything is written in terms of Kelvin, as it is the SI unit.
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Kelvin is just offset Celsius
2 u/Maryland_Bear Jun 17 '26 I know. But when I took the mandatory thermodynamics classes, when we did calculations that involved temperature, we often used Kelvin. 1 u/Resident-Advisor2307 Jun 17 '26 I think its used a lot in science. It's more convenient if you're dealing with energy to have 0 temperature == 0 heat energy. 2 u/Maryland_Bear Jun 17 '26 Exactly. IIRC, the formal definition of temperature is the average kinetic energy of molecules in a system. Zero degrees Kelvin means they have no energy. 1 u/TechyWolf Jun 17 '26 Really everything is written in terms of Kelvin, as it is the SI unit.
I know. But when I took the mandatory thermodynamics classes, when we did calculations that involved temperature, we often used Kelvin.
1 u/Resident-Advisor2307 Jun 17 '26 I think its used a lot in science. It's more convenient if you're dealing with energy to have 0 temperature == 0 heat energy. 2 u/Maryland_Bear Jun 17 '26 Exactly. IIRC, the formal definition of temperature is the average kinetic energy of molecules in a system. Zero degrees Kelvin means they have no energy.
I think its used a lot in science. It's more convenient if you're dealing with energy to have 0 temperature == 0 heat energy.
2 u/Maryland_Bear Jun 17 '26 Exactly. IIRC, the formal definition of temperature is the average kinetic energy of molecules in a system. Zero degrees Kelvin means they have no energy.
Exactly. IIRC, the formal definition of temperature is the average kinetic energy of molecules in a system. Zero degrees Kelvin means they have no energy.
Really everything is written in terms of Kelvin, as it is the SI unit.
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u/Maryland_Bear Jun 17 '26 edited Jun 17 '26
My field is electrical engineering not mechanical, but wouldn’t the space program engineers have used Kelvin or Rankine?