The physicist dives into fraught territory, taking up the age-old debate over quantum mechanics — aiming to convince readers that the Many Worlds interpretation is the one that describes reality.
A century after the birth of quantum mechanics, no one is sure what it is telling us about the nature of reality — and Lee Smolin's book adds to a stream of excellent works on the topic.
Ideas of parallel universes and alternative histories, once confined to mere rumination about lost opportunities and fictional scenarios, are now a part of science, says guest writer Paul Halpern.