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Do We Need a New Theory of Gravity?

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Manage episode 436873380 series 3328067
Content provided by Quanta Magazine, Steven Strogatz, and Janna Levin. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Quanta Magazine, Steven Strogatz, and Janna Levin or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

Observations of the cosmos suggest that unseen sources of gravity — dark matter — tug at the stars in galaxies, while another mysterious force — dark energy — drives the universe to expand at an ever-increasing rate. The evidence for both of them, however, hinges on assumptions that gravity works the same way at all scales. What if that’s not true? In this episode, theoretical physicist Claudia de Rham explains her work on an alternative explanation called “massive gravity” to host Janna Levin.

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55 episodes

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Do We Need a New Theory of Gravity?

The Joy of Why

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Manage episode 436873380 series 3328067
Content provided by Quanta Magazine, Steven Strogatz, and Janna Levin. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Quanta Magazine, Steven Strogatz, and Janna Levin or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

Observations of the cosmos suggest that unseen sources of gravity — dark matter — tug at the stars in galaxies, while another mysterious force — dark energy — drives the universe to expand at an ever-increasing rate. The evidence for both of them, however, hinges on assumptions that gravity works the same way at all scales. What if that’s not true? In this episode, theoretical physicist Claudia de Rham explains her work on an alternative explanation called “massive gravity” to host Janna Levin.

  continue reading

55 episodes

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