J A Wheeler 1955 spacetime-foam at Planck-scale; modern Verlinde 2011 emergent-gravity + Cao-Carroll-Michalakis 2017 entanglement-spacetime.
J A Wheeler 1955 spacetime-foam at Planck-scale; modern Verlinde 2011 emergent-gravity + Cao-Carroll-Michalakis 2017 entanglement-spacetime.