Do multiple versions of ourselves exist in parallel universes living out their lives in different timelines? In this follow up to his bestseller, The Simulation

The definitive exploration of one of the most daring and consequential theories of our time, completely revised and updated to reflect the rapid advances in art

Physicists argue from different perspectives for and against the idea of the existence of multiple universes.

Max Tegmark leads us on an astonishing journey through past, present and future, and through the physics, astronomy and mathematics that are the foundation of h

An extraordinary and challenging synthesis of ideas uniting Quantum Theory, and the theories of Computation, Knowledge and Evolution, Deutsch's extraordinary bo