Why Time Can’t Go Backward: Entropy, Memory, and the Universe’s One-Way Arrow

Описание: Why can’t reality rewind? Why does a shattered glass never unshatter, and why can you remember yesterday but not tomorrow? This episode dives into the universe’s arrow of time—and the hidden engine behind it: entropy.

We break down the Second Law of Thermodynamics in a way that actually clicks, using powerful examples like cooling coffee, mixing perfume, shuffled cards, and the “impossible” idea of reversing macroscopic events. Then we go cosmic: the low-entropy beginning of the universe, gravity’s strange role in entropy, and why black holes may be the ultimate entropy machines.

Along the way we tackle the biggest mind-benders in time physics:

If microscopic laws are reversible, why is the macroscopic world irreversible?

What do Loschmidt’s paradox and Poincaré recurrence really mean?

Does information vanish—or just become unreachable?

What is Maxwell’s demon actually proving?

Is the universe heading toward heat death, and what would “time” mean near equilibrium?

If you enjoy deep, cinematic science that stays accurate—subscribe for more explorations into reality’s hidden rules.

Drop a comment: In principle, could the shattered glass ever reassemble—yes or no? And why?

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