Detective Work Underway On Freak Delayed Explosion Then, like clockwork, exactly 50 microseconds later, the surface of the lead target explodes with a burst of particles which emit high energy ultraviolet light.
"But what does the energy do for 50 microseconds?" Pakhomov asks. "Where does (the energy) go? It seems to disappear. We cannot see where it goes. What form does it take? It�s hard to believe there was anything there."