Is the Universe Real?

Rethinking the idea that makes you rethink reality

Illustration: Zoë Van Dijk

TThree years ago, the American Museum of Natural History in New York hosted a debate that has since been watched 2.1 million times on YouTube. Four physicists and a philosopher, prodded by moderator Neil deGrasse Tyson, spent two hours discussing whether reality as we know it might be a simulation.