Quanta are sensitive little beings. Under the influence of peer pressure, they behave completely differently when someone is watching. Quantum mechanical measurements behave completely differently from classical measurements, i.e. the ones we know from everyday life. That’s what we’re going to talk about today: The pitfalls and subtleties of quantum mechanical measurement – and why they are so fascinating!
Schrödinger’s cat is considered the mascot and heraldic animal of quantum physics. Ever since Big Bang Theory, at the latest, it has also been tapping into the living rooms of non-physicists. But as popular as she is, most people don’t really understand what she’s all about. Since Christmas is just around the corner and I strictly reject animal testing, I decided to do it a little differently: Let’s help Santa Claus and find out if a child is good or bad.