pw201 + entropy + physics   2

black holes - Why is information indestructible? - Physics Stack Exchange
Top answer has a nice model using coloured squares and cellular automata rules.
physics  black-holes  universe  entropy 
january 2018 by pw201
Physics - Arrow of Time Emerges in a Gravitational System
"Standard approaches to the arrow of time typically require a rare statistical fluctuation, or, often, the smuggling in of assumptions about initial conditions. Their work offers evidence that ordinary gravitational dynamics may itself be enough to produce the simple “initial” point that can give time a direction."
entropy  time  physics  gravity 
december 2014 by pw201

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