The Frothy Space-Time Quantum Foam What is beyond the Foam?

[starrlordd]

In theory by John Wheeler...The Space Foam is a billion trillion smaller than the nucleus of the Atom, what is potential smaller than the Quarks, Calabi Yau Manifolds, Vibrating Strings and Space Foam? Is there anytime smaller than the Space Foam?

 

[mathman]

Since space foam concept is purely theoretical, because it is far beyond our current technology to test anything, to go deeper would be just guesswork.