iflscience
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August 18
- Time's Arrow Within Glass Appears To Go In Both Directions, Raising Huge Questions➀ Researchers discovered that molecular movements within glass and similar materials appear time-reversible, challenging the second law of thermodynamics. ➁ The study used lasers and advanced cameras to observe and analyze molecular rearrangements in glass. ➂ The findings raise questions about the universality of time reversibility in other materials and its implications for fundamental physics.