Could we live in the quantum multiverse without noticing its weirdness? Simulations suggest the answer could be a surprisingly large “yes.”
“As far as experiments tell us, we live in a quantum world. So why do I have all these (non-quantum) classical experiences?” says Joseph Schindler of the Autonomous University of Barcelona in Spain. He and his colleagues have explored this question and have shown that even in a multiverse, if the microscopic world is quantum, the emergence…