String-net liquid http://en.wikipedia.org/wiki/String-net_liquid
In this theory, electrons are breaks in strings of light. Fractional charge of the electron is explained. Hydrino fans might want to try to understand this theory. Check out http://www.hindawi.com/isrn/cmp/2013/198710/ Topological Order: From Long-Range Entangled Quantum Matter to a Unified Origin of Light and Electrons

