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The Gravity Particle Should Exist. So Where Is It?

Nov 13, 202523 min
Discussion

Physics is this close to understanding the entire universe. And what lives in this gap? Many physicists think it’s the elusive graviton—the quantum particle of gravity—whose discovery will finally allow us to stitch together our two great theories of nature into a single master theory.

Season 2025 Episodes25

Cast1

Matthew O’Dowd

Matthew O’Dowd

Self - Host

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Episode Summary

"The Gravity Particle Should Exist. So Where Is It?" is episode 23 of PBS Space Time season 2025. It aired on November 13, 2025.