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Physicists prove a long-suspected quantum speed limit for thermalization

Source: Phys.org · Oct 18, 2026 17:20 UTC

Mammoth Lakes community center and library surrounded by snow and pine trees — File photo Carol M. Highsmith / Library of Congress · Public domain · Source

The Quick Take

Whether we are waiting for a car windshield to defrost in winter or a warm drink to cool down, how long it takes for an object to settle into a stable, even temperature within its environment (thermal equilibrium) depends on numerous factors. These can include surface area, the material properties of an object and airflow.

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