Is there some type of Thermal Ceiling?

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Discussion Overview

The discussion revolves around the concept of a potential thermal ceiling, exploring whether there exists a maximum temperature that can be achieved. Participants consider theoretical limits and implications of temperature in various contexts, including kinetic energy and astrophysical phenomena.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • One participant suggests that temperature cannot exceed absolute zero, implying a conceptual limit on maximum temperature.
  • Another participant proposes that in certain scenarios, such as focusing sunlight, there is a practical limit to how high temperatures can be achieved.
  • A different viewpoint indicates that an upper limit might be reached when molecules attain kinetic energy close to the speed of light, though this raises questions about atomic density and energy distribution.
  • One participant humorously claims that temperature cannot be hotter than "negative zero," introducing a non-standard perspective.
  • Another participant elaborates on the idea of kinetic energy being unbounded, suggesting that excessive energy concentration could lead to extreme phenomena, such as the formation of a black hole.

Areas of Agreement / Disagreement

Participants express multiple competing views regarding the existence and nature of a thermal ceiling, with no consensus reached on the topic.

Contextual Notes

Some claims depend on specific definitions of temperature and kinetic energy, and the implications of extreme energy concentrations remain unresolved.

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Temperature can't get lower than absolute zero, so is there some point in which it can't get higher?
 
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In some situations there is, for example you cannot focus sunlight to heat something above the temperature of the sun.
 
I suppose one upper limit of temperature would be when molecules have enough kinetic energy to be moving at near c. Of course, there's still the issue of how dense the distribution of those atoms are. And then you could always add IR EM.
 
I suppose one upper limit of temperature would be when molecules have enough kinetic energy to be moving at near c.

Kinetic energy can be large without bound, all it does is add more nines i.e. .99999c instead of .999c.

As an upper limit, too much concentrated energy will rip a (black) hole in the universe. It would be quite a spectacle to watch a motor with 10^60 horsepower rip itself into a black hole.
 

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