PhysicsGravity's strength measured more reliably than ever before Measuring the strength of gravity is extraordinarily difficult, and different experiments have always disagreed – but a new test is paving the way to finally understanding nature’s most enigmatic force News
PhysicsQuantum entanglement can be measured in solids for the first time A method that relies on hitting materials with neutrons can measure how much quantum entanglement hides within them, which could enable new kinds of quantum technology News