And it is relevant to what we've been talking about. Really.
While our purpose here is to try to make progress on big questions by sharing ideas and just basically thinking really hard, let's never forget that regular scientists are also looking at some pretty big stuff (and of course thinking hard while measuring it). Here's a brief excerpt from a fairly non-technical article on the entropy of the universe:
It is amusing to speculate about what will happen to the Second Law of Thermodynamics if the universe is closed, so that at some point the expansion stops and reverses.
Even more wild is the idea that if the expansion of the universe determines the direction of time's arrow, then if the universe starts to contract the direction of time will also reverse.
For our purposes, it is not only amusing to speculate about this possibility but absolutely necessary. This is a good introduction to the subject and discusses other interesting topics such as the negentropy of information in our minds, so go read the whole discussion here: Black Hole Thermodynamics
Here David Harrison proposes an interesting new concept in physics, and if you've got a new idea that could explain how our minds are relating to the physical universe, get in touch and share it with us. Physicists, please feel free to share any responses you know of that have been floating around in your community regarding the idea in the linked article.
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