Quantum theory ... big bang. A new experiment aims to mimic these collisions and help us look for them These days the thought experiment has taken on a kind of cult status. There are Schrödinger ...

To continue the 'Schrödinger cat' metaphor, it's as if we saw our cat coming home with a big scratch on his face. "He's far from dead, but we know that he got into a fight; we can go and find who ...