This week we find out about the inequality of the temperature scale as a listener asks: Listen Now Download as mp3
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CommentsI thinik theres 2 aspects to this question: Temperature is a measure of how fast the elements of an object are moving  and the absolute speed limit is the speed of light  so it ought to follow that the absolute max temperature is when the particles are approaching the speed of light  like the protons at CERN in the LHC  they are within a few meters per second of the speed of light. But as things get faster they also get heavier (E=mc^2)  so as you get hotter then the energy needed to raise the temperature further goes up, so it should tend to infinity... chris, Wed, 21st Mar 2012 I think Chris is right. To be more precise I think the second Chris is correct. A maximum finite speed or velocity does not  in relativistic terms  cause a maximum finite energy. As the Kinetic Theory of Gas derived temperature is related to the average Kinetic Energy (rather than the average speed) of particles  at nonrelativistic speeds I look forward to the answer on the next show.
This is incorrect Absolute hot is postulated at something like 1x10^32 C Negative energy exists as well. Alex, Wed, 5th Feb 2014 there does exist the upper limit of temperature.it could be the temperature at the beginning of this universe.it is found to be TEN TO THE POWER OF THIRTY TWO KELVIN. Sudhakaran, Sat, 5th Sep 2015 I realize that this isn't exactly the same concept, but what if a photon was given so much energy that its wavelength approached the Planck length? KB, Mon, 4th Apr 2016 
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