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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, a...
An unlikely change in the theory of quantum mechanics would lead to bizarre new conclusions. Our guest talks us through non-linear quantum m...
Quantum mechanics is full of surprises. But somehow, the theory is captured almost entirely in a single equation. Today we explore the Schrö...
In the years leading up to the Large Hadron Collider turning on, the physics community was buzzing with curiosity and excitement about what...
If we met aliens, could we communicate through physics? Daniel Whiteson explores this question on today's episode. For more, check out...
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-...
Our universe is expanding. But when physicists measure how fast this expansion rate is, they get two different answers. Hear what this crisi...
Adam Riess recounts the moments of his Nobel prize-winning discovery that our universe is expanding at an accelerating rate, powered by a my...
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...
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://w...
Learn what exciting cosmology results and potential discoveries await us in 2025!For exclusive ask-us-anything episodes, join us for just $3...
A discovery last year reveals our galaxy in a whole new light - except it's not light, it's neutrinos! Learn what this discovery c...
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...
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 year...
Why does something exist, rather than nothing? Special guest Sean Carroll helps us explore this deep philosophical question.For ad free epis...
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 d...
Learn how Noether's profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the univ...
We explore the diverse world of stars in the universe, from those similar to our Sun to those totally unrecognizable.For ad free episodes an...
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...
Hear how the search for exoplanets has developed, and what surprises it has brought so far.For ad free episodes and other exclusives, join u...
Today we hear from someone who bore witness to the so-called “November Revolution” of particle physics in 1974.For ad free episodes and othe...
Pseudoscience can sometimes be hard to distinguish from the real thing. Today we discuss how philosophers of science have thought about this...
The first episode in a new mini-series on philosophical problems in cosmology - Today we start with the origins of Western science and learn...
Hear how a recent discovery of the motions of galaxies is changing how cosmologists are thinking about our universe.For ad free episodes and...
Last year, an experiment called NanoGRAV made a surprising discovery of gravitational waves using pulsars around the universe. Special guest...
What's it like bringing science to the most general public audiences? How do you distill complex results into short news-worthy article...
Quantum computing makes big promises, but how does it work? What is the real state of quantum computing today? Special guest Henry Lamm answ...
Is the world around us real, or are we living in someone's computer program? Our new merch is available here: https://www.shalmawegsman...
We hear two physicists describe their lives collecting data in remote locations, from deep underground in an active mine and from the South...
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...
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...
Dan moderates a lively discussion on extraterrestrial life at the Chicago Humanities Festival. Our new merch is available here: https://www....
Where does the musical octave come from? What makes a C note a C? Why do different instruments sound different? Special guest Tim Cohen come...
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 ver...
Why This Universe hosts it's first ever live episode taping featuring guests Daniel Holz and Diana Powell. We discuss the possibility o...
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 li...
While physicists overwhelmingly agree about the existence of dark matter, a select group of people aren't convinced. Instead, they beli...
Today we are debunking the recent paper that claims our universe is much older than previously thought. For ask-us-anything segments and oth...
We are celebrating our 3 year anniversary with a throwback to one of our earliest episodes! Entanglement, wave-particle duality, and uncerta...
Special guest Alan Lightman takes us through a fascinating discussion of consciousness, and tells us how he reconciles spirituality with his...
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,...
Special guest Cari Cesarotti tells us why so many particle physicists are itching to build a whole new type of particle collider. Support th...
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 throu...
Can consciousness be explained by physics, or does it appeal to something beyond materialism? Philosopher guest star David Chalmers talks to...
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...
Astronomers' newest telescope, JWST, just discovered galaxies that formed earlier than previously thought possible. What does this disc...
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 fe...
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-fr...
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, jo...
In today's different type of episode, we talk about the risks of a subtle kind of scientific misinformation. Support the show
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 m...