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Does energy really exist? | Priyamvada Natarajan, Avshalom Elitzur, and Bernard Carr on the enigma of energy
Philosophy For Our Times
The Uncertainty of Energy in the Final Theory of Physics
The concept of energy in the final theory of physics is uncertain as it is unclear what will replace it. There is a possibility that information may play a significant role in the final theory, and the validity of concepts like space, time, and energy is questioned at the level of quantum gravity. The conservation of energy is linked to the time invariance of the laws of physics, and without a clear understanding of how time operates at t equals nought, the conservation of energy may also be uncertain.
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