Is there evidence for the existence of an enormous number of other universes? In 1987, Steven Weinberg wrote a cute little paper entitled “Anthropic Bound on the Cosmological Constant”. Weinberg was ...

(via PBS Space Time) The multiverse pops out of quite a few theories in physics, and has been proposed as a solution to certain vexing problems. But it’s also been argued that the very idea of a ...

Slowboat to the Multiverse: Building the Immersive World of Baron Von Opperbean and the River of Time is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, ...