✉news SciencePhysics first seen 8 h ago, last 5 h ago, peak #23
Why cold has a limit, even if the universe does not
Absolute zero, around minus 273.15 degrees Celsius, is the lowest temperature physically possible, a limit set by the laws of thermodynamics rather than by anything in the universe itself. At that point atoms reach their minimum possible energy and cannot be cooled further. Science writers are revisiting the concept, explaining why physicists can approach but never actually reach this ultimate cold.
Why now: Interest in popular science explainers about absolute zero and the fundamental limits of physics
Evidence
- Why cold has a limit, even if the universe does not · The Brighter Side of News
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