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Our Mathematical Universe

My Quest for the Ultimate Nature of Reality by Max Tegmark

10:55am, March 19, 2014

Math is everywhere: medicine, sports, banking, gambling, National Security Agency espionage.

And then there’s science, which has adopted math as the preferred method of description for life, nonlife and the entire physical universe. Math does a decent enough job at this to inspire wonder among physicists about why it works so well. The answer isn’t obvious, but Tegmark thinks he knows: It’s because reality is math. In fact, he contends, all mathematical structures are real. The internal reality of human perceptions is merely a pale approximation of the true external reality embodied in one of those mathematical structures.

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