Why This Universe?
- Épisodes
- 117
- Parution
- mensuelle
- Dernier épisode
- 12 Oct 2026
À propos du podcast
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.
Épisodes 117
101 — How Will AI Change Physics? (Ft. Yoni Kahn)
In 2023, Dan made a bet with physicist Yoni Kahn about whether AI would be able to pass a graduate-level quantum field theory course by 2026. Today on the show, they revisit their bet and discuss what AI is …
Notes de l’épisode
In 2023, Dan made a bet with physicist Yoni Kahn about whether AI would be able to pass a graduate-level quantum field theory course by 2026. Today on the show, they revisit their bet and discuss what AI is capable of in physics today, and how it might change the field moving forward.
100 - What is Light? A Journey from Ancient Philosophy to Quantum Physics
Modern physics tells us a lot about light; that it's both a wave and a particle, and that it sets the speed limit of the universe, for example. But how did we come to understand light in this way?In …
Notes de l’épisode
Modern physics tells us a lot about light; that it's both a wave and a particle, and that it sets the speed limit of the universe, for example. But how did we come to understand light in this way?
In Dan's first solo episode, he takes us through theories of light through the ages, starting from the earliest accounts of ancient ideas and bringing us all the way to modern times.
Let us know what you think about this new format!
99 - The 7 Most Exciting Developments in Physics Today + a WTU Update
It's been a while! To make up for lost time, today's episode is a rundown of all the physics news you should know. Hear what is keeping physicists at the edge of their seat, and what physics news you …
Notes de l’épisode
It's been a while! To make up for lost time, today's episode is a rundown of all the physics news you should know. Hear what is keeping physicists at the edge of their seat, and what physics news you should keep your eyes out for in the coming years.
Also, this episode comes with an update from us at WTU: This will be Shalma's last episode as co-host and editor (though she'll continue to help out with production behind the scenes).
98 - 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 …
Notes de l’épisode
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
97 - 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 …
Notes de l’épisode
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
96 - 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 …
Notes de l’épisode
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
95 - 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 …
Notes de l’épisode
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
38 - 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 …
Notes de l’épisode
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
94 - 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 …
Notes de l’épisode
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
93 - 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 …
Notes de l’épisode
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
AUA: 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/whythisuniverseSupport the show
AUA: The Early Universe, Quantum Interpretations, and Asteroids
To 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/whythisuniverse Support the show
92 - 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 …
Notes de l’épisode
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-universe91 - What Neutrinos Reveal About the Milky Way
A 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 …
Notes de l’épisode
A 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-universe90 - Quintessence: Is Dark Energy Changing? (Ft. Sean Carroll)
Is it possible that dark energy is not a constant, but rather is changing over time? Sean Carroll talks to us about how our understanding of dark energy evolved in recent history, and what is still left …
Notes de l’épisode
Is it possible that dark energy is not a constant, but rather is changing over time? Sean Carroll talks to us about how our understanding of dark energy evolved in recent history, and what is still left unknown.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-universe89 - A Dark Matter Vibe Check
Dan and Shalma have a candid conversation about the state of dark matter research, and the ways the field has changed over the last few years.For exclusive ask-us-anything episodes, join us for just $3 a month …
Notes de l’épisode
Dan and Shalma have a candid conversation about the state of dark matter research, and the ways the field has changed over the last few years.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-universe88 - Why Does Our Universe Exist At All? (Ft. Sean Carroll)
Why does something exist, rather than nothing? Special guest Sean Carroll helps us explore this deep philosophical question.For ad free episodes and other exclusives, join us for just $3 a month on Patreon …
Notes de l’épisode
Why does something exist, rather than nothing? Special guest Sean Carroll helps us explore this deep philosophical question.For ad free episodes 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-universe87 - The Good and the Bad of Peer Review
There has been some criticism of the process scientists use to check each other's work. Today we take a deep dive into peer review to determine how broken it really is.For ad free episodes and other …
Notes de l’épisode
There has been some criticism of the process scientists use to check each other's work. Today we take a deep dive into peer review to determine how broken it really is.For ad free episodes 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-universe28 - How Noether's Theorem Changed Physics (Rerun)
Learn how Noether's profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe. Enjoy this rerun of an earlier episode as we take our summer …
Notes de l’épisode
Learn how Noether's profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe. Enjoy this rerun of an earlier episode as we take our summer break.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe86 - The Life and Death of Stars
We explore the diverse world of stars in the universe, from those similar to our Sun to those totally unrecognizable.For ad free episodes and other exclusives, join us for just $3 a month on Patreon …
Notes de l’épisode
We explore the diverse world of stars in the universe, from those similar to our Sun to those totally unrecognizable.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe85 - Our Sun: Present, Past and Future
Today's episode is all about the star in our front yard - the sun. Learn how it came to be, how it has changed, and how will it change in the future.For ad free episodes and other exclusives, join us for …
Notes de l’épisode
Today's episode is all about the star in our front yard - the sun. Learn how it came to be, how it has changed, and how will it change in the future.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe84 - The Search For New Worlds (ft. Josh Winn)
Hear how the search for exoplanets has developed, and what surprises it has brought so far.For ad free episodes and other exclusives, join us for just $3 a month on Patreon …
Notes de l’épisode
Hear how the search for exoplanets has developed, and what surprises it has brought so far.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe83 - Witnessing a Revolution in Particle Physics (Ft. Chris Quigg)
Today we hear from someone who bore witness to the so-called “November Revolution” of particle physics in 1974.For ad free episodes and other exclusives, join us for just $3 a month on Patreon …
Notes de l’épisode
Today we hear from someone who bore witness to the so-called “November Revolution” of particle physics in 1974.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe82 - Science Vs. Pseudoscience
Pseudoscience can sometimes be hard to distinguish from the real thing. Today we discuss how philosophers of science have thought about this problem.For ad free episodes and other exclusives, join us for just …
Notes de l’épisode
Pseudoscience can sometimes be hard to distinguish from the real thing. Today we discuss how philosophers of science have thought about this problem.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe81 - Ancient Greek Astronomy
The first episode in a new mini-series on philosophical problems in cosmology - Today we start with the origins of Western science and learn what the ancient Greeks thought about the cosmos.For ad free episodes …
Notes de l’épisode
The first episode in a new mini-series on philosophical problems in cosmology - Today we start with the origins of Western science and learn what the ancient Greeks thought about the cosmos.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe80 - (April Fools 2024) A Surprising Discovery Shaking Up Modern Cosmology
Hear how a recent discovery of the motions of galaxies is changing how cosmologists are thinking about our universe.For ad free episodes and other exclusives, join us for just $3 a month on Patreon …
Notes de l’épisode
Hear how a recent discovery of the motions of galaxies is changing how cosmologists are thinking about our universe.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe79 - NanoGRAV's Big Gravitational Wave Discovery (Ft. Chiara Mingarelli)
Last year, an experiment called NanoGRAV made a surprising discovery of gravitational waves using pulsars around the universe. Special guest Chiara Mingarelli explains.For ad free episodes and other exclusives …
Notes de l’épisode
Last year, an experiment called NanoGRAV made a surprising discovery of gravitational waves using pulsars around the universe. Special guest Chiara Mingarelli explains.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universe78 - The Life of a Science Journalist (Ft. Katrina Miller)
What's it like bringing science to the most general public audiences? How do you distill complex results into short news-worthy articles without getting lost in clickbait? Today we hear the perspective of …
Notes de l’épisode
What's it like bringing science to the most general public audiences? How do you distill complex results into short news-worthy articles without getting lost in clickbait? Today we hear the perspective of New York Times science journalist Katrina Miller.
For ad free episodes 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-universe77 - All About Quantum Computing (Ft. Henry Lamm)
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 …
Notes de l’épisode
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/whythisuniverse76 - Do We Live in a Simulation?
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-universeFor ask-us-anything segments and other …
Notes de l’épisode
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
Voici les 40 derniers épisodes sur 117. Les épisodes plus anciens se trouvent dans le flux du podcast.
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