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.

90 - 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 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-universe

11-04
41:43

89 - 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 on Patreon: https://patreon.com/whythisuniverse. Our merch is available here: https://www.shalmawegsman.com/why-this-universe

10-14
37:05

88 - 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: https://patreon.com/whythisuniverse. Our merch is available here: https://www.shalmawegsman.com/why-this-universe

09-23
27:52

87 - 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 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

09-02
39:39

28 - 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 break. 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-universe

08-05
24:21

86 - 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: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

07-02
40:43

85 - 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 just $3 a month on Patreon: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

06-17
37:14

84 - 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: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

06-03
45:14

83 - 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: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

05-13
32:19

82 - 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 $3 a month on Patreon: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

04-29
35:40

81 - 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 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

04-15
43:33

80 - (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: https://patreon.com/whythisuniverse Our merch is available here: https://www.shalmawegsman.com/why-this-universe

04-01
16:48

79 - 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, 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

03-18
40:54

78 - 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 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/whythisuniverseOur merch is available here: https://www.shalmawegsman.com/why-this-universeSupport the show

03-04
38:39

77 - 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: https://www.shalmawegsman.com/why-this-universeFor ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

02-05
40:40

76 - 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 exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

01-22
38:08

75 - Physics in Extreme Locations (Ft. Daniel Baxter & Alexandra Rahlin)

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-universeFor ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

01-08
42:10

8 - Is Space Flat or Curved?

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-universeFor ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

12-18
24:32

74 - The Copernican Revolution (Ft. Aviva Rothman)

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-universeFor ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

12-04
58:39

73 - Life Beyond Earth (Ft. Avi Loeb and Garrett Graff at the Chicago Humanities Festival)

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-universeFor ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

11-20
01:08:50

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01-15 Reply

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01-15 Reply

Majid Moradi

I really enjoyed it. Good job.

04-14 Reply

Pardis Saremi

awesome👌🏻

05-23 Reply

Anderson Galvao

For all respects, but I think that it's a nonsense not saying the name James Webb because of him being against LGBTQ community long ago. If I was gay or something I would be mature enough to give a shit for this and I would be quiet grateful for the science that James Webb Space Telescope will bring us.

12-22 Reply

04-15

04-15

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