A computable universe?

Today I received an e-mail notification about a new book entitled A Computable Universe: Understanding and Exploring Nature as Computation. According to the publisher, the book It focuses on two main questions:
  • What is computation?
  • How does nature compute?
Obviously there is an oxymoron here—if one does not know what  computation is, then it makes absolutely no sense to say anything about nature's computational capabilities! Notwithstanding, I find extremely naive the idea of a computable universe. To me it is more science fiction than science. But I have argued against this absurd idea elsewhere, so I will say no more here.

PS The book's site states that "contributors are world-renowned experts", in what respect is the editor a world-renowned expert?


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