"All physical systems can be thought of as registering and processing information, and how one wishes to define computation will determine your view of what computation consists of."
"I would suggest, merely as a metaphor here, but also as the basis for a scientific program to investigate the computational capacity of the universe, that this is also a reasonable explanation for why the universe is complex."
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Source: Seth Lloyd (2011). “Programming The Universe: A Quantum Computer Scientist Takes on the Cosmos”, p.157, Random House
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