The universe follows predictable rules, behaving classically according to Einstein’s theory of general relativity. So, what ...

The relationship between quantum mechanics and classical physics has baffled scientists for decades. In the quantum world, particles can exist in multiple states at once—a phenomenon known as ...

Who came up with Schrödinger's cat? The Austrian physicist Erwin Schrödinger, who helped found the discipline of quantum mechanics, first conceived of his feline conundrum in 1935 as a ...