Comment by joeyo

Quarks carry fractional charge (e/3) [1]. And Quasiquarks seem to be able to carry any fractional charge with an odd-denominator (e/3, e/5, e/7, ...) [2,3] which would seem to indicate that the universe has quantized space yet has no lower bounds.

1. http://en.wikipedia.org/wiki/Quark#Electric_charge

2. http://en.wikipedia.org/wiki/Fractional_quantum_Hall_effect

3. http://physicsworld.com/cws/article/news/1997/oct/24/fractio...