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The second law of thermodynamics says that entropy will inevitably increase. Eventually, it will make life in the universe impossible. What does this mean? And is it correct? In this video, I sort out what we know about the arrow of time and why I don't believe that entropy will kill the universe.

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00:00 Introduction
1:00 The Arrow of Time
3:04 Entropy, Work, and Heat
7:07 The Past Hypothesis and Heat Death
9:34 Entropy, Order, and Information
11:38 How Will the Universe End?
15:46 Brilliant Sponsorship