The cosmic reason why your past cannot become your future
In short: Why do we only remember the past and never the future? This video explores how entropy dictates the direction of time, moving from a low-entropy beginning toward an inevitable heat death.
The 'arrow of time' is fundamentally linked to entropy—the measure of disorder in a system. While many laws of physics work perfectly well in reverse, our experience of linear time is driven by the universe's progression from a state of low entropy to high entropy.
This means that the very reason we experience time moving forward today is due to the specific low-entropy conditions present at the beginning of the universe. The video contextualizes this trajectory, explaining how these initial conditions will ultimately lead the cosmos toward a final state of high-entropy heat death.
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Sources
- Summary by Intellect · source: Why Doesn't Time Flow Backwards? (Big Picture Ep. 1/5)
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