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PBS Space Time
The Particle We’ve Been Chasing for 30 Years Might Not Exist
The universe thrums with quantum fields, except something may be missing: the sterile neutrino.
Is There a Simple Proof For a Vast Multiverse?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
Is There a Simple Proof For a Vast Multiverse?
Season 11 Episode 10 | 16m 18s | CC
In 1987, Steven Weinberg wrote a cute little paper entitled “Anthropic Bound on the Cosmological Constant”. Weinberg was foundational in establishing the standard model of particle physics, but his little 1987 paper, though more obscure, may tell us something about how the multiverse works, and can even be thought of as evidence for the existence of an enormous number of other universes.
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