Time out of mind - Finding Your Science

The video explores the concept of time in everyday life and its relation to physics. It highlights the asymmetry in our perception of time, where we remember the past and influence the future, contrasting with the time-reversal symmetry in physical laws. The discussion extends to cosmology, suggesting that the universe's expansion might define a time direction, linked to increasing entropy. The speaker speculates that future breakthroughs in physics could radically change our understanding of time, akin to past revolutions like relativity or quantum mechanics.

What is the significance of the laws of physics being invariant under time reversal?

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What challenges arise when trying to reconcile our everyday experience of time with the laws of physics?

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How does the expansion of the universe relate to the direction of time?

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What are the implications of entropy increasing in relation to time?

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In what ways might a revolution in physics change our understanding of time?

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