Tree Calculus(treecalcul.us)
451 points by iamwil | 176 comments
Homepage for Tree Calculus, a minimal model of computation, with links to its specification and an interactive playground.
#computation on Hacker News
2 stories tagged computation, newest first.
On the Nature of Time(writings.stephenwolfram.com)
326 points by iamwil | 221 comments
Stephen Wolfram essay arguing that time is best understood computationally, as the progressive application of computational rules by the universe.