Switching cause and effect in quantum world? A causes B causes A
Tuesday, October 2, 2012 - 21:00
in Physics & Chemistry
A deeply rooted concept in everyday life is causality; the idea that events in the present are caused by events in the past and, in turn, act as causes for what happens in the future. Physicists have now shown that in quantum mechanics it is possible to conceive situations in which a single event can be both, a cause and an effect of another one.