Reconstructing physics: The universe is information

2019-03-15 14:07:01

By David Deutsch and Chiara Marletto (Image: Baran Azdemir/Getty) WHEN we consider some of the most striking phenomena permitted by the laws of physics – from human reasoning to computer technologies and the replication of genes – we find that information plays a central role. But, on the face of it, information is profoundly different from the basic entities that physical sciences use to describe reality. Neither quantum mechanics nor general relativity, the most fundamental theories in physics,