Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special ...

Being relativistic effects, quantum fluctuations are notoriously ... framework for this quantum-classical interaction in the Newtonian limit of gravity. In this framework, classical gravity ...

Besides quantum theory, general relativity is one of two pillars of modern physics – our working theory of gravity and of the very large, of planets, galaxies and the universe as a whole.