We’re used to thinking of space as *continuous*.

A stone can be *anywhere* in space. It can be here. Or it can be an inch to the left. Or it can be half an inch further to the left. Or it can be an infinitesimal fraction of an inch even further to the left. Space is infinitely divisible.

The graphs of Wolfram Physics, however, are *discrete*.

If, as Stephen Wolfram proposes, the universe is a graph, then you *can’t* be just *anywhere* in space. It makes sense to think about a node of the graph as a position in space. It makes *no* sense to think about anywhere *in between* the nodes as positions in space. *This* space is *not* infinitely divisible.

It’s as if a stone could be *here* in space, or *here* in space, but nowhere in between.

So which is it?

Has every physicist from Leucippus to Einstein been right to insist that space is *continuous*?

Or is Wolfram right to up-end millennia of settled science and insist that space is *discrete*?

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The Last Theory is hosted by Mark Jeffery, founder of the Open Web Mind

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*anywhere*in space”

*discrete*?”