Dan Hooper, Shalma Wegsman
Why This Universe?
The biggest ideas in physics, broken down. Join theoretical physicist Dan Hooper and co-host Shalma Wegsman as they answer your questions about dark matter, black holes, quantum mechanics, and more. Part of The University of Chicago Podcast Network.
Author
Dan Hooper, Shalma Wegsman
Category
Podcast website
Latest episode
Jan 19, 2026
Where to listen?
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Episodes
77 - All About Quantum Computing (Ft. Henry Lamm) 05.02.2024 40:31
Quantum computing makes big promises, but how does it work? What is the real state of quantum computing today? Special guest Henry Lamm answers our questions. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
76 - Do We Live in a Simulation? 22.01.2024 37:59
Is the world around us real, or are we living in someone's computer program? Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
75 - Physics in Extreme Locations (Ft. Daniel Baxter & Alexandra Rahlin) 08.01.2024 42:01
We hear two physicists describe their lives collecting data in remote locations, from deep underground in an active mine and from the South Pole. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
8 - Is Space Flat or Curved? 18.12.2023 24:23
Learn how the geometry of space defies our intuition, and why it gave Einstein so much anxiety. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
74 - The Copernican Revolution (Ft. Aviva Rothman) 04.12.2023 58:30
Today we visit a turning point in the history of science: the discovery that the Earth is not at the center of the cosmos. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
73 - Life Beyond Earth (Ft. Avi Loeb and Garrett Graff at the Chicago Humanities Festival) 20.11.2023 1:08:41
Dan moderates a lively discussion on extraterrestrial life at the Chicago Humanities Festival. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
72 - The Physics Of Music (Ft. Tim Cohen) 06.11.2023 43:31
Where does the musical octave come from? What makes a C note a C? Why do different instruments sound different? Special guest Tim Cohen comes on to answer these questions and more. For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
71 - How the Universe Got Its Structure 23.10.2023 20:20
We tell the story of how the Universe developed large scale structure, starting from the Big Bang to today. It could have all turned out very differently, if not for some key players. For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
70 - WTU Live: Will Intelligent Life Persist in the Universe? (ft. Daniel Holz and Diana Powell) 10.10.2023 57:55
Why This Universe hosts it's first ever live episode taping featuring guests Daniel Holz and Diana Powell. We discuss the possibility of intelligent life out in the Universe, the existential risks faced by humans on Earth, and the chance the intelligent life can persist in the Universe. This conversation took place during the University of Chicago Podcast Network festival. For access to ask-u...
Special Announcement + ChatGPT On Unifying Quantum Mechanics and Relativity 28.09.2023 9:56
CORRECTION: We misspeak about the time of the event in the episode, we are really on at 3-4 pm CST! Apologies! Why This Universe is going live on October 3rd in Chicago, IL! RSVP for *free* here: https://www.eventbrite.com/e/ucpn-podcast-festival-tickets-717455076447?aff=ebdsoporgprofile Join us on Patreon at https://www.patreon.com/whythisuniverse Support the show
69 - An Update on Modified Gravity (MOND) 28.08.2023 47:20
While physicists overwhelmingly agree about the existence of dark matter, a select group of people aren't convinced. Instead, they believe we must be wrong about gravity, and claim we need a theory of modified gravity (MOND) instead. Recent press releases have claimed "smoking gun" evidence for this underdog theory, should we take them seriously? Did you know this episode was inspir...
68 - The Age of the Universe 14.08.2023 29:26
Today we are debunking the recent paper that claims our universe is much older than previously thought. For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse For fun dinosaur facts and research, check out I Know Dino: The Big Dinosaur Podcast, on Apple or wherever you get your podcasts https://podcasts.apple.com/us/podcast/i-...
6 - Your Tour Through Quantum Weirdness (Rebroadcast) 31.07.2023 30:14
We are celebrating our 3 year anniversary with a throwback to one of our earliest episodes! Entanglement, wave-particle duality, and uncertainty - here's a breakdown of the weirdest and wildest things about quantum mechanics. To support our show and access exclusive ask-us-anything segments and more, join us on Patreon at https://www.patreon.com/whythisuniverse. Support the show
67 - When Science Meets Spirituality (Ft. Alan Lightman) 17.07.2023 42:48
Special guest Alan Lightman takes us through a fascinating discussion of consciousness, and tells us how he reconciles spirituality with his materialist views. Todays episode is sponsored by the International Space Station. Join the ISS National Laboratory this August in Seattle at the 12th annual ISS Research and Development Conference. Visit ISSconference.org to register now. Support the show
66 - When Space Was Filled With Music 03.07.2023 25:33
Shortly after the Big Bang, space was densely packed with enough stuff for sound to travel through it. What was producing sound in this era, and how can we hear it today? Todays episode is sponsored by the International Space Station. Join the ISS National Laboratory this August in Seattle at the 12th annual ISS Research and Development Conference. Visit ISSconference.org to register now. Support...
65 - Should We Build a Muon Collider? (Ft. Cari Cesarotti) 22.05.2023 42:18
Special guest Cari Cesarotti tells us why so many particle physicists are itching to build a whole new type of particle collider. Support the show
64 - The Journey to the Big Bang 08.05.2023 30:10
The Big Bang is well accepted today as the leading theory of how our universe evolved over time - but in today's episode, we talk through all the very wrong theories that came before it. To get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
63 - The Question of Consciousness (Ft. David Chalmers) 17.04.2023 50:26
Can consciousness be explained by physics, or does it appeal to something beyond materialism? Philosopher guest star David Chalmers talks to us about how we can think about consciousness from a philosophical and scientific perspective. To support our show and get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
47 - Boltzmann Brains: Could Reality Be An Illusion? (Rebroadcast) 27.03.2023 28:02
A whirlwind of questions brings us to an odd conclusion: could reality be an illusion created by a quantum fluctuation of a brain? This is a rebroadcast of a past favorite. For ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
62 - JWST and the Earliest Galaxies in the Universe (ft. Mike Boylan-Kolchin) 13.03.2023 24:01
Astronomers' newest telescope, JWST, just discovered galaxies that formed earlier than previously thought possible. What does this discovery mean for our understanding of the early universe? To support our show and get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
61 - Could the Large Hadron Collider Destroy the World? 27.02.2023 23:37
Before the LHC turned on in 2008, many feared that it would create a dangerous black hole that would destroy the world. Were any of those fears well-founded, and how seriously did scientists take these claims? Support the show
60 - The Search for Extra Dimensions 13.02.2023 23:49
Learn how extra dimensions of space might appear to us, and what physicists have done to try to find them. To support our show and get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
59 - The End of Everything (Ft. Katie Mack) 09.01.2023 40:49
Special guest Katie Mack talks to us about how the universe might end. To support our show and get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
58 - The Risks of Science Populism 12.12.2022 14:20
In today's different type of episode, we talk about the risks of a subtle kind of scientific misinformation. Support the show
57 - String Theory Part 3: Duality 21.11.2022 24:02
This episode will hurt your brain, or your money back. To support our show and get ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverse Support the show
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