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The heat death of the universe (also known as the Big Chill or Big Freeze) [1] [2] is a hypothesis on the ultimate fate of the universe, which suggests the universe will evolve to a state of no thermodynamic free energy, and will therefore be unable to sustain processes that increase entropy.
The heat death paradox, also known as thermodynamic paradox, Clausius' paradox, and Kelvin's paradox, [1] is a reductio ad absurdum argument that uses thermodynamics to show the impossibility of an infinitely old universe.
The heat death scenario is compatible with any of the three spatial models, but it requires that the universe reaches an eventual temperature minimum. [24] Without dark energy, it could occur only under a flat or hyperbolic geometry. With a positive cosmological constant, it could also occur in a closed universe.
That heat-related death rate has increased dramatically compared to the early 2000s, regardless of age or population size. The upward trajectory appears to be sharpening recently. In 2022, 1,722 ...
The critical danger point outdoors for illness and death from relentless heat is several degrees lower than experts once thought, say researchers who put people in hot boxes to see what happens to ...
Heat death of the universe – Possible fate of the universe List of other end scenarios than Heat Death – Theories about the end of the universe Tiny Graphical timeline from Big Bang to Heat Death – Future scenario in which the expansion of the universe continues forever - Timeline uses the log scale for comparison with the double ...
How do you deal with extreme body heat? Arizona ER doctors offer insights on what extreme heat temperatures do to the human body.
Heat death may refer to: Heat death of the universe, a proposed cosmological event Heat death paradox, a philosophical examination of the cosmological event; Hyperthermia, injury up to and including death, from excessive heat; Thermal shock, the destruction of equipment by overheating; A Supernova, heat death of a star, along with the death of ...