quantum physicsmultiversecomputation
In his first book, David Deutsch weaves four strands — quantum physics and the many-worlds interpretation, the theory of computation, evolution, and the theory of knowledge — into a single “fabric” he argues forms the deepest explanation of reality. Taking the multiverse seriously, he contends, is not exotic speculation but the straightforward consequence of physics taken at its word.
The book’s account of universal computation and the limits of what can be known anticipates many later debates about machine intelligence, laying groundwork Deutsch would extend in The Beginning of Infinity.