

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.
Episodes
Mentioned books

Apr 4, 2022 • 25min
46 - The Cosmic Rays Raining Down On Us
Here on Earth, we are constantly being showered by particles from outer space called cosmic rays. What do we know about where these particles really come from?For ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

Mar 14, 2022 • 29min
25 - Do Extra Dimensions Exist? (Rebroadcast)
Today we are rebroadcasting an earlier episode all about extra dimensions - How many dimensions of space are there? Could there be extra dimensions that are hidden from view?For ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

Feb 28, 2022 • 39min
45 - The Wide World of Exoplanets (ft. Diana Powell)
Special guest Dr. Diana Powell gives us the lay down on the field of exoplanet research, and on how these recent discoveries may shed light on the question of extraterrestrial life.For ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

Feb 14, 2022 • 24min
44 - Our Deepest Theory: Quantum Field Theory
Dive into the fascinating world of quantum field theory! Discover why we needed a new framework to overcome the limits of classical quantum mechanics. Learn how antiparticles resolve causality conflicts between quantum mechanics and relativity. Explore the revolutionary ideas of historic figures like Dirac and Fermi on particle creation. Understand how quantum fields underlie particles and why identical particles lead to unique quantum statistics. Finally, ponder the intriguing challenge of integrating gravity into this deep theory.

Jan 31, 2022 • 29min
43 - Is Physics the Most Fundamental Subject?
Some people like to claim that psychology is just applied biology, which is just applied chemistry, which is just applied physics, and so on. Is there any truth to this? Or is it just our egos getting the better of us?For ad-free episodes and other exclusives, join us for $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show

Jan 17, 2022 • 37min
42 - The Signal That Could Be the Dark Matter
Dan shares one of the biggest stories of his career - his discovery of an excess of gamma rays at the center of the Milky Way. Is this a sign of dark matter, or is it something less mysterious?Support the show

Jan 3, 2022 • 24min
41 - The Hubble Tension: The Biggest Fight in Astronomy (ft. Wendy Freedman)
When different groups of astronomers measure the expansion rate of space, they get different answers. Who's right? Or are they both right, and new physics is afoot?Support the show

Dec 20, 2021 • 20min
40 - How Will JWST Change Astronomy?
Today we dive into the world's shiny new space telescope - JWST. Learn why are physicists and astronomers are so excited about it, and what new secrets of the universe it might reveal. Keep your eye out for its launch later this week!Support the show

Nov 29, 2021 • 29min
23 - Does Physics Allow for Free Will? (Rebroadcast)
Can free will exist in a universe described by the laws of physics? Listen to this re-broadcast of one of our favorite episodes.Support the show

Nov 15, 2021 • 27min
39 - Why Do Science Communication? (ft. Daniel Whiteson and Jorge Cham)
Daniel Whiteson and Jorge Cham talk to us about what science communication means to them.Listen to their podcast, Daniel and Jorge Explain the Universe: https://www.iheart.com/podcast/105-daniel-and-jorge-explain-t-29862087/Support WTU on Patreon: https://www.patreon.com/whythisuniverseSupport the show


