There was a linked page here on HN a couple of months ago [1][2] with (I thought) an interesting overivew of this topic. [1] https://plato.stanford.edu/entries

There was a linked page here on HN a couple of months ago [1][2] with (I thought) an interesting overivew of this topic. [1] https://plato.stanford.edu/entries/computation-physicalsystems/#Hyp https://plato.stanford.edu/entries/computation-physicalsyste... [2] https://news.ycombinator.com/item?id=14773808 https://news.ycombinator.com/item?id=14773808