(via PBS Space Time) In 1987, Steven Weinberg wrote a cute little paper entitled “Anthropic Bound on the Cosmological Constant”. I say cute little paper because it feels minor in comparison to, say, ...

Scientists’ quest to understand the universe has led them from the vastness of galaxies down to the tiniest quarks. Yet, one of the most puzzling questions remains: what is the true nature of reality?

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 ...