I find when talking to people about this that many believe that the white light is sunlight which are photons produced from a mass. In my opinion the "white light" is Tachion (ether,chi,prana etc) light has two directions, forward and backward and is produced from motion.
Healing Machines - Vortex Energy Part 12 of 18 - Tesla, Lakhovsky, Reich, Rife and Dinshah.
http://www.youtube.com/watch?v=eKAEPkwq2hU&=18
Nikola Tesla and Particle Energy - Vortex Energy Part 17 of 18
http://www.youtube.com/watch?v=W_gO2EvrKsc&=18
Science, Physics and Quantum Mechanics Vortex Energy Part 18 of 18
http://www.youtube.com/watch?v=_30I1QQ4JCI&=18