PhysicsWatch: Very Large Telescope uses giant lasers in hunt for black holes On a mountaintop in Chile sits the world’s most powerful optical telescope, searching for the edge of black holes, and using huge lasers to guide its gaze Features
PhysicsGravitational waves from black hole pairs could act like tractor beams When two black holes orbit one another, they create a swirling vortex of gravitational waves that could trap any nearby objects like a sci-fi tractor beam News