- The Rip Saw
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- Exalted Mythic Member
Kelvin is an absolute system, with 0°K based on no heat at all. Unlike Fahrenheit and Celsius where you can go below zero, Kelvin has no negative temperatures. This makes doing calculations extremely easy. As it is, when doing any problem involving gasses, you have to convert to Kelvin first, do the problem, then convert back. The increments on Kelvin are the same as Celsius, meaning you only have to add or subtract the standard 273.2° to convert between Kelvin and Celsius.
Unlike the other two, 0°K means no heat. We have never reached this temperature, and there are really good scientific reasons we never will. It's like the speed of light, we cannot ever reach it.