SpaceQuantum nature of gravity may be detectable with gravitational waves Perhaps the most important problem in physics is how gravity and quantum mechanics fit together, and strange fluctuations in gravitational waves could help us figure it out News
PhysicsDo we distil reality from the quantum fog or does it exist without us? Quantum objects exist as clouds of possibilities, only manifesting as something definite when we look at them. The implication is that we make reality – but objectivity may yet be rescued Features