Do We Know What We're Measuring?

Dr. Emily Adlam is a philosopher of quantum physics who has just finished a book about the strangest feature of fundamental physics - the perennial confusion over what it means to make a measurement. We all know that quantum physics tells us that there’s this strange thing, called wavefunction collapse, which transitions a system from being in a quantum state into being in a classical state. But what does it mean to make a measurement? And what does it mean to turn a system from a quantum one into a classical one? It turns out that no one really knows, and we spend this conversation trying to figure out how that could be possible, after more than a century of theorizing about the foundations of reality.

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00:00 Go!

00:04:30 Understanding the Measurement Problem

00:08:00 The Nature of Quantum Formalisms

00:11:30 Critiques of Many-Worlds Interpretation

00:17:00 The Many-Worlds Perspective and Its Popularity

00:20:41 Discussion on the Many Worlds Interpretation of Quantum Mechanics

00:21:39 Criticism of the Many Worlds Interpretation

00:23:41 Observer Dependent Interpretations in Quantum Mechanics

00:28:14 Implications of Quantum Interpretations

00:31:45 Primitive Ontology Interpretations

00:36:07 Challenges of Quantum Field Theory

00:41:27 Discussion on Quantum Measurement

00:44:12 Transactional Interpretation of Quantum Mechanics

00:48:58 Observational Limits in Quantum Physics

00:56:09 Challenges of Understanding Quantum Reality

01:02:20 Philosophical Implications of Quantum Mechanics

01:03:16 Discussion on Causality and Probability

01:09:05 Probabilistic Features of Nature

01:12:54 Mathematical vs. Visual Intuition in Quantum Mechanics

01:17:49 Relationship Between Quantum Phenomena and Macroscopic Effects

01:19:20 Proposed Revision to Quantum Epistemology

01:25:03 Exploration of Quantum Concepts

01:27:34 The Nature of Reality in Quantum Mechanics

01:30:12 Experimental vs. Theoretical Physics

01:34:22 Challenges in Testing Quantum Mechanics

01:36:19 Evolution of Epistemology in Quantum Physics

01:40:42 Implications for Broader Inquiry

01:44:37 Fundamental Questions on Mass and Gravity

01:47:03 The Interface of Relativity and Quantum Mechanics

01:48:27 Emergence and Relational Descriptions in Physics

01:49:55 Theoretical Physics Versus Experimental Collaboration

01:50:52 Resilience in Quantum Physics Understanding

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