Full Idea
One theory is that space is made up of dimensionless points, but physical processes cannot take place in regions of less than a certain size.
Gist of Idea
Maybe space has points, but processes always need regions with a size
Source
Edwin D. Mares (A Priori [2011], 06.7)
Book Reference
Mares,Edwin: 'A Priori' [Acumen 2011], p.97
A Reaction
Thinkers in sympathy with verificationism presumably won't like this, and may prefer Feynman's view.
Related Idea
Idea 17707 We should regard space as made up of many tiny pieces [Feynman, by Mares]