In the quirky quantum world, particles can be affected by forces that they never directly encounter. A classic example is the ...

Scientists have made the first experimental observation of matter wave diffraction in a short-lived electron-positron atom.

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When we divide up matter into the smallest possible chunks that it's ...

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Light is well known to exhibit both wave-like and particle-like properties, as imaged here in this 2015 photograph. What's less well appreciated is that matter particles also exhibit those wave-like ...

Wave or particle? Science continues to unravel one of humanity's greatest mysteries in this universe in rather useful ways.

Two of the forefathers of quantum theory, Albert Einstein and Niels Bohr, had a famous argument over whether light is a wave ...

The quantum physics of massive particles has intrigued physicists for more than 80 years, since it predicts that even complex particles can exhibit wave-like behaviour – in conflict with our everyday ...