Full Idea
According to many philosophical commentators, a force-field must be considered to be a physical entity, and as the distinction between space and the force-field may be considered to be merely verbal, space itself may be considered to be a physical entity.
Gist of Idea
If space is really just a force-field, then it is a physical entity
Source
JP Burgess / G Rosen (A Subject with No Object [1997], II.A.1)
Book Reference
Burgess,J/Rosen,G: 'A Subject with No Object' [OUP 1997], p.102
A Reaction
The ontology becomes a bit odd if we cheerfully accept that space is physical, but then we can't give the same account of time. I'm not sure how time could be physical. What's it made of?