Physicists have long treated space and time as the stage on which quantum particles perform, not as actors in the drama themselves. A new theoretical framework now flips that script, treating space ...

Chanda Prescod-Weinstein, New Scientist columnist and author of the September read for the New Scientist Book Club, The Edge ...

Physicists have long struggled to make the general theory of relativity and quantum mechanics agree, and some scientists ...

Quantum networking is being rapidly developed world-wide. It is a key quantum technology that will enable a global quantum internet: the ability to deploy secure communication at scale, and to connect ...

The concept of light cones is essential for understanding causal structures in spacetime, impacting both relativity and ...

Korean researchers propose experimentally measurable theory integrating quantum events across time and space in Physical ...

Bell's theorem, the well-known theoretical framework introduced by John Bell decades ago, delineates the limits of classical physical processes arising from relativistic causality principles. These ...

(via PBS Space Time) To observe the quantum nature of gravity and of spacetime itself, we need a particle collider the size of the solar system. Or we could just physics smarter and build one on a lab ...

Diagrammatic representation of the entropic quantum gravity action. The action for gravity is given by the quantum relative entropy between the metric of the manifold and the metric induced by the ...