What Is an Uncomputer?

Sean watches a panel discussion on whether the universe is a computer, looks up the definition of a computer, and decides that instead the universe is a calculation. If thinking about the universe as a computer is designed to make computer scientists feel important, thinking about the universe as a calculation seems designed to make theoretical physicists feel important 🙂 But what I find interesting is that Sean points to a question asked by Tony Leggett: “What kind of process does not count as a computation?”
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The Last Day of Bill Gates

Video from the keynote at CES:

The real question is, now that Bill is working for the foundation, which is opening an office in lower Queen Anee, will Bill be buying us a new bridge to aid his commute?