Conservation laws occasionally turn out to be false. That said, momentum is pretty big, since it corresponds to translation and rotation invariance, and those intuitively seem pretty likely to be true. But then there was
https://en.wikipedia.org/wiki/CP_violation
Conservation laws occasionally turn out to be false. That said, momentum is pretty big, since it corresponds to translation and rotation invariance, and those intuitively seem pretty likely to be true. But then there was
https://en.wikipedia.org/wiki/CP_violation