“This retroactive idea. It has to be that,” says Nobel Prize-winning mathematical physicist Sir Roger Penrose, reflecting on a problem about the building blocks of reality that has dogged physics for ...

In this video, we explore the meaning of quantum physics and the true nature of reality through key concepts in quantum mechanics, including: - The "language" gap of quantum mechanics - The ...

Quantum collapse models represent a class of theoretical modifications to standard quantum mechanics that seek to resolve the long‐standing measurement problem. They posit that the linear evolution of ...

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...