When behaving as waves, [particles] can simultaneously pass through several openings in a barrier and then meet again at the other side of the barrier. This "meeting" is known as interference. Strange as it may sound, interference can only occur when no one is watching.
More than ever before, our world appears to us as an animistic world, as a reality in which basically everything – things, plants, machines – can be experienced as animate in some form or another and, accordingly, as alive.