PhysicsTwo atomic clocks have been quantum entangled for the first time Researchers have quantum entangled atomic clocks, allowing them to be synchronised more accurately. Such entangled clocks could be used to study dark matter and gravity more precisely News
PhysicsElusive exotic matter called a tetraneutron possibly seen in the lab Twenty years ago, researchers saw hints of the existence of a type of exotic matter made of four neutrons. Now, researchers have found the clearest evidence it exists yet News