Our reality seems to be compatible with a quantum multiverse

Could we live in a quantum multiverse without ever noticing its oddness? A simulation suggests that the answer may be “yes” surprisingly often.

“We live in a quantum world, as far as the experiments we do can tell. So then why do I end up having all these [non-quantum] classical experiences?” says Joseph Schindler at the Autonomous University of Barcelona in Spain. He and his colleagues explored this question and found that even in the multiverse, if the microscopic world is quantum the emergence…