Superposition is nothing more than addition for waves. Let’s say we have two sets of waves that overlap in space and time. At any given point, a trough may line up with a peak, their peaks may line up ...

Wouldn't it be fascinating to live in New York and London at the same time? In the standard of everyday life, this is equivalent to daydreaming or sheer fantasy. Nevertheless, this is a perfectly ...

Physicists have proposed an entirely new way to test the quantum superposition principle—the idea that a quantum object can exist in multiple states at the same time. The new test is based on ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. When I teach or give talks about relativity, one of my regular angles ...

According to a new theory, our universe developed from a “pre-inflationary multiverse” made of particles in quantum ...

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“More than one reality exists” screams the headline. Cue sighs of tired dread from physicists everywhere as they wonder what otherwise bland result has been spun out of control. In this case, though, ...