Why This Universe?
Dan Hooper, Shalma Wegsman
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.
- 41 minutes 21 seconds98 - An Improbable Quantum Ghost Story (Ft. David Kaplan)
An unlikely change in the theory of quantum mechanics would lead to bizarre new conclusions. Our guest talks us through non-linear quantum mechanics, and how physicists like him are testing it.
For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
19 January 2026, 6:00 pm - 29 minutes 52 seconds97 - The Schrödinger Equation: The Heart of Quantum Mechanics
Quantum mechanics is full of surprises. But somehow, the theory is captured almost entirely in a single equation. Today we explore the Schrödinger equation: how it works, what it says about nature, and why it revolutionized physics.
For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
22 December 2025, 3:00 pm - 53 minutes 24 seconds96 - The Making of Particle Fever (Ft. David Kaplan)
In the years leading up to the Large Hadron Collider turning on, the physics community was buzzing with curiosity and excitement about what they were about to discover. These moments were captured in the documentary Particle Fever, created by the particle physicist David Kaplan. On today's episode, he recounts these historic years from the perspective of both physicist and filmmaker.
For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
24 November 2025, 8:00 pm - 43 minutes 10 seconds95 - Would Aliens Have the Same Physics? (Ft. Daniel Whiteson)
If we met aliens, could we communicate through physics? Daniel Whiteson explores this question on today's episode. For more, check out his new book, Do Aliens Speak Physics?
For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
4 November 2025, 1:00 am - 34 minutes 29 seconds38 - The Nobel Prize's Greatest Misses (2025 Update)
In honor of Nobel prize season, we remember some people whose important work in the past has been overlooked by the Nobel committee.
For ad-free episodes and exclusive ask-us-anything segments, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe
13 October 2025, 2:00 pm - 31 minutes 55 seconds94 - Inside the Hubble Tension (Ft. Adam Riess)
Our universe is expanding. But when physicists measure how fast this expansion rate is, they get two different answers. Hear what this crisis means from Nobel Prize winner Adam Riess.
For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
29 September 2025, 1:00 pm - 40 minutes 23 seconds93 - The Moment Dark Energy Appeared (Ft. Adam Riess)
Adam Riess recounts the moments of his Nobel prize-winning discovery that our universe is expanding at an accelerating rate, powered by a mysterious energy source called dark energy.
For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse
Our merch is available here: https://www.shalmawegsman.com/why-this-universe
15 September 2025, 4:00 pm - 54 minutes 36 secondsAUA: Changing Dark Energy, Twin Paradox, and What's Next for CERN
We answer your questions. To listen to our backlog of ask-us-anything episodes for free, head to our Patreon, or join for $3/month to submit your questions: https://www.patreon.com/whythisuniverse
2 May 2025, 9:12 pm - 29 minutes 5 secondsAUA: The Early Universe, Quantum Interpretations, and AsteroidsTo listen to our backlog of past ask-us-anything episodes for free, head to our Patreon, or join for $3/month to ask us questions: https://www.patreon.com/whythisuniverse9 March 2025, 8:00 am
- 46 minutes 14 seconds92 - What Cosmology Has in Store for 2025 (Ft. Dan Scolnic)Learn what exciting cosmology results and potential discoveries await us in 2025!For exclusive ask-us-anything episodes, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse. Our merch is available here: https://www.shalmawegsman.com/why-this-universe13 January 2025, 8:00 am
- 30 minutes 57 seconds91 - What Neutrinos Reveal About the Milky WayA discovery last year reveals our galaxy in a whole new light - except it's not light, it's neutrinos! Learn what this discovery can teach us about the Milky Way and beyond.For exclusive ask-us-anything episodes, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse. Our merch is available here: https://www.shalmawegsman.com/why-this-universe23 December 2024, 4:34 pm
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