Why This Universe?

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117 afleveringen, van nieuw naar oud

  1. 59 - The End of Everything (Ft. Katie Mack)

    9 januari 2023 · 41 min

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    Special guest Katie Mack talks to us about how the universe might end. Lees meer

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  2. 58 - The Risks of Science Populism

    12 december 2022 · 14 min

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    In today's different type of episode, we talk about the risks of a subtle kind of scientific misinformation. Lees meer

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  3. 57 - String Theory Part 3: Duality

    21 november 2022 · 24 min

    Afspelen
    This episode will hurt your brain, or your money back. Lees meer

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  4. 56 - An Icy Neutrino Interruption

    7 november 2022 · 29 min

    Afspelen
    We interrupt our regular episodes to cover the exciting new discovery that the IceCube Neutrino Observatory announced on November 3rd, 2022. Lees meer

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  5. 55 - String Theory Part 2: The First Superstring Revolution

    24 oktober 2022 · 28 min

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    We pick up the story of string theory and explore the explosion of interest it experienced in the mid 1980s. Lees meer

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  6. 54 - String Theory Part 1: What Is It?

    3 oktober 2022 · 25 min

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    Last time, we introduced the biggest open problem in theoretical physics - the problem of combining gravity with quantum mechanics. In this first part of a three-part series, we introduce the leading candidate for how to do that: String Theory. Lees meer

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  7. 53 - Why We Need a Theory of Quantum Gravity

    12 september 2022 · 28 min

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    Quantum mechanics and general relativity are two of the most successful theories of science ever, but they don't necessarily fit together. Learn why physicists are trying so hard to discover a quantum theory of gravity, and why it's been such a challenge. Lees meer

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  8. 52 - The Large Hadron Collider and All Its Glory

    22 augustus 2022 · 28 min

    Afspelen
    We pick up last episode's theme of particle colliders and dive into the most exciting one running today - the LHC. What is it, how does it work, and what new physics can it still reveal? Lees meer

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  9. 51 - Why Physicists Love Smashing Particles Together

    1 augustus 2022 · 24 min

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    For the past century, physicists have been building particle colliders as a way to learn about the fundamental laws of physics. Today we talk about why smashing particles together has proven to be such a powerful tool. Lees meer

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  10. 50 - The Black Hole At the Center of the Milky Way

    11 juli 2022 · 31 min

    Afspelen
    On May 12, 2022 astronomers revealed an image of the supermassive black hole at the center of our Milky Way galaxy. Today we tell the story of what made this image possible. Lees meer

    Today's episode is sponsored by Wren. Sign up through https://www.wren.co/universe to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name!

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  11. 49 - When the Universe Changed in an Instant

    27 juni 2022 · 25 min

    Afspelen
    Just like water changing to ice when it freezes, there were times in the universe's early history when reality changed in almost an instant. Today we dive into these cosmological phase transitions, and speculate about the strange objects these types of instant changes can create. Lees meer

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  12. 48 - A Wrong Picture Of Cosmology

    23 mei 2022 · 25 min

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    When cosmology was still an infant science, a daring physicist wrote a theory of the beginning of time. We revisit this theory and see what value we can still glean from it today. Lees meer

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  13. 13 - Does Quantum Mechanics Imply a Multiverse? (Rebroadcast)

    9 mei 2022 · 34 min

    Afspelen
    Today we explore different interpretations of quantum mechanics, from Copenhagen to the many-worlds hypothesis, in an attempt to uncover what quantum reality really is. This episode is a rebroadcast of one of our early favorites. Lees meer

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  14. 47 - Boltzmann Brains: Could Reality Be An Illusion?

    25 april 2022 · 29 min

    Afspelen
    A whirlwind of questions brings us to an odd conclusion: could reality be an illusion created by a quantum fluctuation of a brain? Lees meer

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  15. 46 - The Cosmic Rays Raining Down On Us

    4 april 2022 · 25 min

    Afspelen
    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? Lees meer

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  16. 25 - Do Extra Dimensions Exist? (Rebroadcast)

    14 maart 2022 · 29 min

    Afspelen
    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? Lees meer

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  17. 45 - The Wide World of Exoplanets (ft. Diana Powell)

    28 februari 2022 · 39 min

    Afspelen
    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. Lees meer

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  18. 44 - Our Deepest Theory: Quantum Field Theory

    14 februari 2022 · 24 min

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    Today we attempt to break down the basics of quantum field theory - our deepest theory of physics yet. Lees meer

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  19. 43 - Is Physics the Most Fundamental Subject?

    31 januari 2022 · 29 min

    Afspelen
    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? Lees meer

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  20. 42 - The Signal That Could Be the Dark Matter

    17 januari 2022 · 37 min

    Afspelen
    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? Lees meer

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  21. 41 - The Hubble Tension: The Biggest Fight in Astronomy (ft. Wendy Freedman)

    3 januari 2022 · 24 min

    Afspelen
    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? Lees meer

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  22. 40 - How Will JWST Change Astronomy?

    20 december 2021 · 20 min

    Afspelen
    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! Lees meer

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  23. 23 - Does Physics Allow for Free Will? (Rebroadcast)

    29 november 2021 · 29 min

    Afspelen
    Can free will exist in a universe described by the laws of physics? Listen to this re-broadcast of one of our favorite episodes. Lees meer

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  24. 39 - Why Do Science Communication? (ft. Daniel Whiteson and Jorge Cham)

    15 november 2021 · 27 min

    Afspelen
    Daniel Whiteson and Jorge Cham talk to us about what science communication means to them. Lees meer

    Listen to their podcast, Daniel and Jorge Explain the Universe: https://www.iheart.com/podcast/105-daniel-and-jorge-explain-t-29862087/

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  25. A Special Neutrino Update! (ft. Pedro Machado)

    1 november 2021 · 17 min

    Afspelen
    Today we unpack the latest neutrino results from Fermilab's MicroBoone experiment. Special guest Pedro Machado helps us understand what they mean for the future of neutrino research. Lees meer

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  26. 38 - The Nobel Prize's Greatest Misses

    18 oktober 2021 · 35 min

    Afspelen
    In honor of Nobel prize season, we remember some people whose important work in the past has been overlooked by the Nobel committee. Lees meer

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  27. 37 - How Neutrinos Might Be Hinting at Dark Matter

    4 oktober 2021 · 24 min

    Afspelen
    The neutrino's non-zero mass is an anomaly, but one that leads to a promising new dark matter candidate - the sterile neutrino. Could this be it? Lees meer

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  28. 36 - The Neutrino's Quantum Superpower

    20 september 2021 · 21 min

    Afspelen
    Today we discuss neutrino oscillations - their ability to transform between different types – and the quantum mechanics that makes it possible. Lees meer

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  29. 35 - The Chaos Underlying Everything (ft. David Grier)

    6 september 2021 · 32 min

    Afspelen
    Learn about the chaotic motion that underlies even the most ordered structures, including life. Lees meer

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  30. 34 - Should Beauty Guide Physicists?

    23 augustus 2021 · 29 min

    Afspelen
    Some physics theories are admired for being beautiful, but does that mean they are more likely to be true? Or could chasing beauty lead us astray? Lees meer

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  31. 33 - Our Love Affair With Supersymmetry

    9 augustus 2021 · 34 min

    Afspelen
    Hear why supersymmetry was special enough to win over physicists hearts, and why faith in it might be dying out. Lees meer

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  32. 32 - The Mystery of the Higgs Boson's Mass

    26 juli 2021 · 24 min

    Afspelen
    Today we explore one of the biggest and most frustrating open problems of particle physics - the hierarchy problem. Lees meer

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  33. 31 - If You Give an Astronomer a Neutrino

    12 juli 2021 · 27 min

    Afspelen
    Learn how astronomers are using invisible particles to see what we've never seen before! Lees meer

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  34. 30 - The Oldest Picture of the Universe

    28 juni 2021 · 32 min

    Afspelen
    Learn about the oldest light in the universe - the cosmic microwave background - and how it became a treasure trove of cosmological insight. Lees meer

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  35. 29 - How the Big Bang Won the Debate About the Beginning of Time

    14 juni 2021 · 33 min

    Afspelen
    Hear what proved to physicists that the universe started with the Big Bang - and the one person who was never convinced. Lees meer

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  36. 28 - How Emmy Noether Changed Physics Forever

    31 mei 2021 · 24 min

    Afspelen
    Learn how a profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe. Lees meer

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  37. 12 - The Fight Between Modified Gravity and Dark Matter

    10 mei 2021 · 31 min

    Afspelen
    A rerun of one of our favorite episodes ever. Some physicists have considered the possibility that dark matter might not exist - and that instead, it's our theories of gravity which are wrong. Today we take a deep dive into these theories of modified gravity. Lees meer

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  38. 3 - What in the World is Anti-Matter?

    26 april 2021 · 17 min

    Afspelen
    A re-post of one of our favorite early episodes. Learn how special relativity and quantum mechanics come together to make an odd prediction about matter. Lees meer

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  39. 27 - What Does the Muon g-2 Result Mean for Physics?

    12 april 2021 · 34 min

    Afspelen
    Get our introduction to the measurement that might prove the Standard Model wrong! Lees meer

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  40. 26 - Did Inflation Rip Apart the Early Universe?

    29 maart 2021 · 27 min

    Afspelen
    The Big Bang theory leaves us with some open questions, and the theory of inflation might have the answers. Lees meer

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  41. 25 - Could Extra Dimensions Exist?

    15 maart 2021 · 28 min

    Afspelen
    How many dimensions of space are there? Could there be extra dimensions that are hidden from view? Lees meer

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  42. 24 - Breaking Down the Standard Model

    1 maart 2021 · 29 min

    Afspelen
    Take a deep dive into (a contender) for the most successful theory of physics ever! Lees meer

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  43. 23 - Does Physics Allow for Free Will?

    15 februari 2021 · 28 min

    Afspelen
    Can free will exist in a universe described by the laws of physics? Lees meer

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  44. 22 - The Particle That Might Do It All (Axions!)

    1 februari 2021 · 20 min

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    Today we talk about the theoretical particle at the forefront of current research. Learn how axions might explain not one but *two* open problems in physics! Lees meer

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  45. 21 - The Quantum Mechanics of Black Holes

    18 januari 2021 · 29 min

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    Here's what happens when we introduce quantum mechanics to one of the weirdest objects in the universe. Hint - things get hairy. Lees meer

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  46. 20 - Everything To Do About Black Holes

    4 januari 2021 · 30 min

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    Today we talk about black holes - from their early history to their role in the 2020 Nobel Prize in Physics. Lees meer

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  47. 19 - Why Does Science Work?

    21 december 2020 · 30 min

    Afspelen
    Does science get us closer to understanding what the universe is actually like, or is it just a useful tool to build technology with? Today we get philosophical and talk through this deep question! Lees meer

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  48. 18 - Could a Hyper-Advanced Civilization Resist Dark Energy?

    30 november 2020 · 37 min

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    If life in the universe survives into the far future, it will eventually come face to face with the accelerating expansion of the universe caused by dark energy. Could a hyper-advanced civilization find a way to fight it? Lees meer

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  49. The State of The Universe #81 - Dr. Daniel Whiteson - The Standard Model and Its Many Quirks!

    23 november 2020 · 1 uur 42 min

    Afspelen
    Today our feed is getting taken over by Brendan Drachler to bring you an episode of his show, The State of the Universe! Lees meer

    Science moves at an impossibly fast pace. It will leave you wondering, what is the state of the universe? Wonder no more! Learn from researchers working at the cutting edge of scientific advancement about everything from the robot takeover to the big bang only on The State of The Universe podcast.

    Listen to the State of the Universe everywhere where podcasts are available. https://podcasts.apple.com/us/podcast/the-state-of-the-universe/id1429808898

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  50. 17 - Why Haven't We Met Aliens?

    16 november 2020 · 25 min

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    Are there other intelligent civilizations out there, or are we alone here on Earth? And what have we done to try to find them? Lees meer

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