Can't find any proof of that claim. So far it seems more likely that all physical systems are computable. Although you may need infinite time to achieve perfect

Can't find any proof of that claim. So far it seems more likely that all physical systems are computable. Although you may need infinite time to achieve perfect accuracy when computing them in a simulation, but matematically that's still computable. Computability makes no assumption on the geometry, only on the rules the system follows.