Full Idea
It seems plausible that both space and its contents should somehow be made of the same stuff - so that in a sense space becomes the only thing in the universe.
Gist of Idea
Space and its contents seem to be one stuff - so space is the only existing thing
Source
Stephen Wolfram (A New Kind of Science [2002], p.474), quoted by Peter Watson - Convergence 17 'Philosophy'
Book Reference
Watson,Peter: 'Convergence' [Simon and Schuster 2016], p.413
A Reaction
I presume the concept of a 'field' is what makes this idea possible.