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Is There Evidence For a Vast Multiverse?

Aug 14, 202519 min
Discussion

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, electroweak unification theory that won him the Nobel Prize. Weinberg was foundational in establishing the standard

Season 2025 Episodes25

Cast1

Matthew O’Dowd

Matthew O’Dowd

Self - Host

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Episode Summary

"Is There Evidence For a Vast Multiverse?" is episode 17 of PBS Space Time season 2025. It aired on August 14, 2025.