A cat is in a sealed box. It is both alive and dead, at least until you open the lid. Inside the sealed chamber also sits a vial of poison. This vial could be triggered to break by a tiny amount of ...

Devised in 1935 by the Austrian physicist Erwin Schrödinger, this thought experiment was designed to shine a spotlight on the difficulty with interpreting quantum theory. Quantum theory is very ...

Erwin Schrödinger was the only son of well-educated parents. His father owned an oil cloth factory and was an amateur painter and botanist. Erwin was taught at home, by tutors and parents, until he ...