Zuse’s computable universe
Konrad Zuse, inventor of the programmable computer (1935-1941) and the first higher-level programming language (1945) and the first chess program
1967 paper & 1969 book: Physics is just computation, possibly on a cellular automaton - "Rechnender Raum" or Computing Space. Entropy cannot increase! Compare Ed Fredkin (1980s) and others.
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