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Back to my very occasional tweets about @seanmcarroll's #BiggestIdeas new book. Physics, equations included, for lay audiences.
Just finished ch 1, conservation. Two key ideas emerge: conservation laws are built into a universe w. symmetries, like the one we inhabit, and...
Just finished ch 1, conservation. Two key ideas emerge: conservation laws are built into a universe w. symmetries, like the one we inhabit, and...
2/ the physicist's toolkit, or rather, approach, what Sean calls "spherical cow philosophy," is not (only) a joke, but also, in a way, turns on a basic property of reality.* Crucially, as Sean notes, that property doesn't obtain when stuff gets complicated...
*I know. Let it be.
*I know. Let it be.
3/ Biology, or the human sciences do not (generally) respond in the same way as physical systems do to the heuristic of simplifying a problem until it's solvable and then add back in more realistic complexity.
That's actually a long and details-matter argument...
That's actually a long and details-matter argument...
