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What We've Gotten Wrong About Quantum Physics

2025-05-23 Science & Technology
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Description

Are there unresolved foundational questions in quantum physics? Philosopher Tim Maudlin thinks so, and joins Brian Greene to explore possible answers. This program is part of the Big Ideas series, supported by the John Templeton Foundation. Participant: Tim Maudlin Moderator: Brian Greene 0:00:00 - Introduction 0:00:37 - Welcome to 0:00:10 - Meet Tim Maudlin 0:00:46 - Why Most Physicists Still Miss Bell’s Theorem 0:03:27 - The Strange History of Quantum Thinking 0:09:16 - Interpretation Isn’t Just Semantics 0:11:47 - Is the Copenhagen approach even a theory? 0:16:33 - The Screen Problem and the Myth of Measurement 0:23:33 - When Does a Measurement Happen? 0:28:45 - Einstein’s Real Problem with Quantum Mechanics 0:35:10 - Entanglement and the EPR Breakthrough 0:42:19 - The David Bohm Saga: A Theory That Worked but Was Ignored 0:52:07 - Can We Keep Quantum Predictions Without Non-locality? 0:56:49 - If Bell’s Theorem Is So Simple, Why Was It Ignored? 0:59:53 - Can Relativity Tolerate a Preferred Foliation 1:09:10 - Is Many Worlds the Price of Taking Quantum Theory Seriously? 1:15:56 - What Did Everett Really Mean by Many Worlds? 1:18:01 - Can Quantum Theory Predict Reality, or Just Describe It? 1:35:17 - Would Aliens Discover the Same Physics? 1:43:23 - Credits VISIT our Website: http://www.worldsciencefestival.com FOLLOW us on Social Media: Facebook: / worldsciencefestival Twitter: / worldscifest Instagram: https://www.instagram.com/worldscifest/ TikTok: https://www.tiktok.com/@worldscifest LinkedIn: https://www.linkedin.com/company/world-science-festival #worldsciencefestival #briangreene #cosmology #astrophysics #quantumphysics

Top Comments (10)

@simonkamau32 2025-05-23

Thanks for continuing to post content _for free_ on YouTube. I really appreciate the summary of the history and state of play of physics which is accessible to the lay person. Mere words are insufficient to express my gratitude for access to conversations like this!

120 13 replies
@snarzetax 2025-05-24

If I could have a conversation with anyone, it would be these two. My unending gratitude to Dr. Greene and Maudlin, with WSF team, for such great content!

87 4 replies
@mylittleelectron6606 2025-05-23

Greene discusses physics with Tim Maudlin. The internet has redeemed itself.

66 1 replies
@FloThePro1231 2025-05-24

Again so much credit to Prof. Greene, this talk especially gave me the feeling that also none of these questions are scripted.. these interviews are so incredible well talked and discussed this is going to be a historic series

51 4 replies
@darktowerbrian 2025-05-24

One of the best WSF I've seen in a while. I could listen to Maudlin for hours. Great video!

46 1 replies
@coolcat23 2025-05-25

1:11:40 The clarity and cogency implied by his enumeration of three mutually incompatible principles and how each of the major approaches gives up on one of them is so overwhelming, I could cry. Tim Maudlin has my deepest respect for his apparently encyclopedic knowledge about the history of physics and how he is on top of the theories to such a high level that he is able to sharpen the arguments to such a degree of clarity. Truly marvellous and I am grateful that this channel allowed me to learn from him. Brian Greene also has his head screwed on properly like few of modern physicists do.

45 2 replies
@ToniSammons-vc9wg 2025-08-21

I find Brian Greene extraordinarily courteous.

25
@holmavik6756 2025-07-31

When Professor Maudlin is in a video I watch it directly. And everytime I understand another 0.001% of what he is saying

20 10 replies
@OnionKnight541 2025-05-24

it's mind blowing that "is it even a theory" took this long to be asked and answered.

7
@DANGJOS 2026-02-06

5:33 "...but I don't want to [Bohr] you with that" missed pun opportunity

2

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