article_snippet: According to quantum mechanics, a single particle can be described by a wave function.
article_snippet: It can be spreads over large distances, but is never detected in two or more places.
article_snippet: This is because physicists believe the universe behaves like a little probability wave.
article_snippet: Particles are in many places at once, each with some probability.
article_snippet: According to quantum mechanics, a single particle can be described by a wave function that spreads over large distances, but is never detected in two or more places.
article_snippet: the particle happens because physicists believe the universe behaves like a little probability wave.
article_snippet: Particles are in many places at once, each with some probability.