Physicists have tested the hypothesis that gravitational fluctuations in space-time can destroy quantum superposition and explain why large objects do not behave like particles. An experiment in the ...

Physicists have put a decades-old idea about why the strange rules of quantum mechanics disappear in our everyday world to one of its toughest experimental tests yet. Deep beneath Italy’s Gran Sasso ...

A deep-underground experiment in Italy has challenged a decades-old theory that gravity may destroy quantum superpositions. After 62 days of measurements at Gran Sasso, researchers found no trace of ...

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 ...

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 ...

In a pioneering twist on quantum networking, physicists have proposed using entangled atomic clocks to probe how gravity’s bending of space-time affects the quantum world. The work—led by researchers ...

A team of researchers led by the University of Warwick has developed the first unified framework for detecting "spacetime fluctuations"—tiny, random distortions in the fabric of spacetime that appear ...

Introduction: Theories That Do Not Input SpacetimeOne of the most fundamental questions in modern physics is, "What is spacetime?"In general relativity, gravity is described as the geometry of a ...

(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 ...

The preparation of quantum states with long-range correlations and topological entanglement is a key objective for quantum simulators and processors. A common approach is the Sequential Quantum ...