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"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."
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Explore more quotes by Seth Lloyd

"Of course, not everybody's willing to go out and do the experiments, but for the people who are willing to go out and do that, - if the experiments don't work, then it means it's not science."

"What's happened with society is that we have created these devices, computers, which already can register and process huge amounts of information, which is a significant fraction of the amount of information that human beings themselves, as a species, can process."

"Of course, one way of thinking about all of life and civilization is as being about how the world registers and processes information. Certainly that's what sex is about; that's what history is about."

"In this metaphor we actually have a picture of the computational universe, a metaphor which I hope to make scientifically precise as part of a research program."

"According to the standard model billions of years ago some little quantum fluctuation, perhaps a slightly lower density of matter, maybe right where we're sitting right now, caused our galaxy to start collapsing around here."

"Every physical system registers information, and just by evolving in time, by doing its thing, it changes that information, transforms that information, or, if you like, processes that information."

"I have not proved that the universe is, in fact, a digital computer and that it's capable of performing universal computation, but it's plausible that it is."

"We have a picture for how complexity arises, because if the universe is computationally capable, maybe we shouldn't be so surprised that things are so entirely out of control."
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