1min chapter

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200 | Solo: The Philosophy of the Multiverse

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

Is There a Low Entropy Past?

The idea that there was a low entropy passed around 14 million years ago. That's what gives rise in the immediate aftermat afew to thermo dynamically sensible observers. The answer is that it's consistent, but it's not implied by any observations we make. Most of the different possible ways that potons could hit my telescope and give me a map of the cosmic micrewave background don't correspond to universes where early times were smooth.

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