{"id":211266,"date":"2025-04-12T13:10:44","date_gmt":"2025-04-12T18:10:44","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/the-quantum-experiment-that-defies-logic-exactly-1-12th-of-the-time-dr-lidia-del-rio"},"modified":"2025-04-12T13:10:44","modified_gmt":"2025-04-12T18:10:44","slug":"the-quantum-experiment-that-defies-logic-exactly-1-12th-of-the-time-dr-lidia-del-rio","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/the-quantum-experiment-that-defies-logic-exactly-1-12th-of-the-time-dr-lidia-del-rio","title":{"rendered":"The Quantum Experiment That Defies Logic Exactly 1\/12th Of The Time | Dr. L\u00eddia Del Rio"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/v7kxWT_zI60?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Physicist Dr. L\u00eddia Del Rio, Essentia Foundation\u2019s Research Fellow for Quantum Information Theory at the University of Z\u00fcrich, explains to Hans Busstra one of the strangest quantum conundra confronting the foundations of physics: the Frauchiger-Renner (FR) thought experiment.<\/p>\n<p>Scientific papers discussed in this video:<\/p>\n<p>Quantum theory cannot consistently describe the use of itself.<br \/> Daniela Frauchiger &amp; Renato Renner: <a href=\"https:\/\/www.nature.com\/articles\/s4146\">https:\/\/www.nature.com\/articles\/s4146<\/a>\u2026 experiments in a quantum computer, Nuriya Nurgalieva, Simon Mathis, L\u00eddia del Rio, Renato Renner: <a href=\"https:\/\/arxiv.org\/abs\/2209.06236\">https:\/\/arxiv.org\/abs\/2209.06236<\/a> Other interesting links related to the video: Quantum \u2018thought experiment software\u2019 <a href=\"https:\/\/github.com\/XuemeiGu\/Quanundrum\">https:\/\/github.com\/XuemeiGu\/Quanundrum<\/a> Great Quantum artwork by Nuriya Nurgalieva: <a href=\"https:\/\/www.theoryverse.com\/art\">https:\/\/www.theoryverse.com\/art<\/a> Part One: Modelling Observers 00:00 Introduction 04:13 The object-subject divide in quantum mechanics 07:58 How would you explain the Wigner\u2019s Friend thought experiment? 09:40 Observations are not facts 12:16 Is collapse relative? 14:11 Losing information = measurement 15:38 How do you model the agent in quantum mechanics? 17:54 What is reversibility in QM? Part Two: Explaining the Frauchiger-Renner Thought Experiment 22:14 L\u00eddia explains Maxwell\u2019s Demon and how the demon can be modelled 29:28 Formatting the \u2018hard drive\u2019 of the demon equals the energy gained 31:20 L\u00eddia explains the Frauchiger-Renner thought experiment 41:51 The quantum circuit of the FR experiment 50:31 Where the experiment gets really weird 54:52 How to make sense of the weirdness? Part Three: The Implications and Meaning of the FR Experiment 1:03:59 What assumptions CANNOT all be true? 1:07:47 Critique from the physics community on the FR experiment 1:13:30 The philosophical implications of the FR experiment 1:16:04 Agreeing or disagreeing on Heisenberg cuts 1:17:27 Quanundrum software to test thought experiments 1:20:14 (No title \u2013 you might want to add something here) 1:23:16 Does the FR experiment \u201cfavor\u201d a many-worlds interpretation, or does it require an epistemic approach? 1:25:04 Every theory, at some point, breaks 1:26:57 On the (in)completeness of quantum theory 1:29:35 What the FR experiment could mean for quantum computers\u2026 1:32:06 What makes the FR experiment REALLY strange? 1:35:31 You cannot have an outside view AND know what\u2019s going on inside\u2026 1:36:01 What does it mean philosophically? 1:40:16 What if objective collapse or many-worlds is true? 1:43:20 Do you believe in free will? 1:45:54 L\u00eddia does believe in an objective world\u2026 1:47:15 What would a world weirder than quantum mechanics look like? 1:52:37 Where does thinking about \u201cdifferent\u201d universes become relevant for physics? 1:55:51 On What the Bleep Do We Know, quantum woo, and the real meaning of quantum mechanics\u2026 1:57:52 Nature doesn\u2019t care about our Heisenberg cut\u2026 1:59:33 Quantum mechanics and non-dualism 2:02:04 Physicists should be aware of their own faiths, religion, and mortality\u2026 2:04:06 On the nature of the self, and how L\u00eddia\u2019s work has informed her outlook on life 2:09:31 Final words Sesame Street Russian Dolls video, under fair use: <img alt=\"\" class=\"\"> \u2022 Sesame Street Matryoshka Doll 10 All music licensed under Storyblocks and Soundstripe All stock footage licensed under Storyblocks Interview content copyright by Essentia Foundation, 2025 <a href='http:\/\/www.essentiafoundation.org.' rel='nofollow'>www.essentiafoundation.org.<\/a><\/p>\n<p>Thought experiments in a quantum computer.<br \/> Nuriya Nurgalieva, Simon Mathis, L\u00eddia del Rio, Renato Renner:<br \/>\n<a href=\"https:\/\/arxiv.org\/abs\/2209\">https:\/\/arxiv.org\/abs\/2209<\/a>.<\/p>\n<p>Other interesting links related to the video:<\/p>\n<p>Quantum \u2018thought experiment software\u2019<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2025\/04\/the-quantum-experiment-that-defies-logic-exactly-1-12th-of-the-time-dr-lidia-del-rio\">Continue reading \u201cThe Quantum Experiment That Defies Logic Exactly 1\/12th Of The Time | Dr. L\u00eddia Del Rio\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Physicist Dr. L\u00eddia Del Rio, Essentia Foundation\u2019s Research Fellow for Quantum Information Theory at the University of Z\u00fcrich, explains to Hans Busstra one of the strangest quantum conundra confronting the foundations of physics: the Frauchiger-Renner (FR) thought experiment. Scientific papers discussed in this video: Quantum theory cannot consistently describe the use of itself. Daniela Frauchiger [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,42,47,1617],"tags":[],"class_list":["post-211266","post","type-post","status-publish","format-standard","hentry","category-computing","category-media-arts","category-neuroscience","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=211266"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211266\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=211266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=211266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=211266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}