Quote of the Day
I spent 20 years doing research on regular and irregular verbs, not because I'm an obsessive language lover but because it seemed to me that they tapped into a fundamental distinction in language processing, indeed in cognitive processing, between memory lookup and rule-driven computation.
Quantum computation is... a distinctively new way of harnessing nature... It will be the first technology that allows useful tasks to be performed in collaboration between parallel universes.
Lately I've been working to convince myself that everything is a computation.
We have lived through the flood time of fascism and of the nazism which ran its meteoric course at a cost to mankind in suffering and waste beyond all computation.
Emily Greene Balch
Some things, like the orbits of the planets, can be calculated far into the future. But that's atypical. In most contexts, there is a limit. Even the most fine-grained computation can only forecast British weather a few days ahead. There are limits to what can ever be learned about the future, however powerful computers become.
A computation is a process that obeys finitely describable rules.
If you think of your life as a kind of computation, it's quite abundantly clear that there's not going to be a final answer and there won't be anything particularly wonderful about having the computation halt!
To me quantum computation is a new and deeper and better way to understand the laws of physics, and hence understanding physical reality as a whole.
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 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.
Computation, storage, and communications capacity are in the hands of practically every connected person - and these are the basic physical capital means necessary for producing information, knowledge and culture, in the hands of something like 600 million to a billion people around the planet.
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