Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human ...

A hundred years ago this week, at the height of the quantum revolution, Austrian physicist Erwin Schrödinger submitted a ...

There is no measurement that can directly observe the wave function of a quantum mechanical system, but the wave function is still enormously useful as its (complex) square represents the probability ...

Even given a set of possible quantum states for our cosmos, it's impossible for us to determine which one of them is correct ...