Why quantum mechanics says the past isn’t real

New ScientistTuesday, December 2, 2025 at 6:00:10 PM
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Why quantum mechanics says the past isn’t real
  • The double-slit experiment and the quantum eraser experiment challenge traditional notions of matter and time, suggesting that the past may not be as concrete as previously thought. These experiments reveal that the act of observation can alter outcomes, leading to profound implications for our understanding of reality.
  • This development is significant as it pushes the boundaries of quantum mechanics, prompting scientists to reconsider the nature of time and causality. The findings could lead to new theories that better explain the relationship between quantum phenomena and observable reality.
  • The ongoing exploration of light's influence on materials and the emergence of quasicrystals in unexpected environments highlight the complexities of physical laws. These themes resonate with the evolving discourse on causality in quantum theory, suggesting a need for a more integrated understanding of how fundamental forces interact within the universe.
— via World Pulse Now AI Editorial System

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