Physics without time - Deepstash

Physics without time

If one looks at reality on the smallest scale, using equations of quantum gravity, time vanishes. However, we still perceive time as moving forward sequentially.

Key aspects of time are described by the second law of thermodynamics, which states that heat always passes from hot to cold. Ice cubes melt in hot water, never in reverse. A similar phenomenon might explain why we can only perceive the past, not the future.

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