Light can be interpreted either as particles called these or as waves called, uh, waves
[DOC] [TLE] Parallel Universes and the Many-Worlds Theory - Universe Today [PAR] Aug 15, 2014 ... One model of potential multiple universes called the Many-Worlds Theory ... For 
example, the photon, a tiny bundle of light, can travel vertically up ... observer 
effect can impact the form  particle or wave  of quantum ...