In contrast to classical theory, quantum theory has the remarkable property that the state space of every system has continuously many pure states. These are states that can be seen as states of ...

THE following is a preliminary report of an investigation performed to test directly, in a terrestrial experiment, the second postulate of special relativity, which states that the velocity of light ...

Young’s postulate,1 which says that that the last doctor to see a patient is also the smartest doctor, rings true. I know of a situation where a hospital doc found metatarsal fractures in a patient ...