Janna Levin is a theoretical physicist and cosmologist specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves.
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Yesterday
#478 – Scott Horton: The Case Against War and the Military Industrial Complex
Scott Horton is the director of the Libertarian Institute, editorial director of Antiwar.com, host of The Scott Horton Show, co-host of Provoked, and for the past three decades a staunch critic of U.S. military interventionism. Thank you for listening ❤ Check out our sponsors: ht ... Show More
10h 35m
Aug 13
#477 – Keyu Jin: China’s Economy, Tariffs, Trade, Trump, Communism & Capitalism
Keyu Jin is an economist specializing in China's economy, international macroeconomics, global trade imbalances, and financial policy. She is the author of The New China Playbook: Beyond Socialism and Capitalism. Thank you for listening ❤ Check out our sponsors: https://lexfridma ... Show More
1h 57m
Aug 1
#476 – Jack Weatherford: Genghis Khan and the Mongol Empire
Jack Weatherford is an anthropologist and historian specializing in Genghis Khan and the Mongol Empire. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep476-sc See below for timestamps, transcript, and to give feedback, submit questions, contact ... Show More
4h 39m
Feb 2025
Cosmic Queries – Stoner Edition with Janna Levin
Is anything real? Is time just a construct? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen answer your far-out questions about black holes, dark matter, and the universe with astrophysicist Janna Levin. (Originally Aired Tuesday, March 8 2022)NOTE: StarTalk+ ... Show More
49m 12s
Dec 2024
EVSN - Searching for Dark Energy in Black Holes
From December 11, 2024. From baby planets to ancient black holes, let's look at the week's space news, including the discovery of a planet around a still-forming star, our Sun's massive outbursts as measured by tree rings, a new catalog of white dwarfs in binary systems, and a de ... Show More
27m 44s
Oct 2024
Cosmic Queries – The Big Stretch
What is fire? How do gravitational waves ripple through space-time? Neil deGrasse Tyson and comedian Harrison Greenbaum answer grab bag questions about why supernovae form black holes, photons, the singularity, and more!NOTE: StarTalk+ Patrons can listen to this entire episode co ... Show More
51m 25s
Jul 2024
Cosmic Queries – Strange Matter
What could we do to hide from the aliens? Neil deGrasse Tyson and comedian Chuck Nice answer fan questions about human radio wave signals, strange matter, universes inside black holes, and other physics questions!NOTE: StarTalk+ Patrons can listen to this entire episode commercia ... Show More
43m 14s
Aug 2024
The Updated Physics of Black Holes with Steve Balbus & Andrew Mummery
What’s happening just outside a black hole? Neil deGrasse Tyson and co-host Gary O’Reilly travel to Oxford University to explore the mysterious universe of black holes, their accretion disks, magnetic fields, and the impact they have on the world around them with astrophysicist S ... Show More
46m 19s