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Physics Frontiers

Jim Rantschler and Randy Morrison discuss physics from elementary particles to cosmological effects at the limits of our theoretical knowledge or have recently emerged. 

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Episode 74: Stochastic Thermodynamics with David Wolpert

Episode 74: Stochastic Thermodynamics with David Wolpert

Jim talks with David Wolpert about the non-equilibrium behavior of computation, what it means for entropy, and how it re... Read more

9 Jul 2023

50mins

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Episode 73: Quantum Money with Jiahui Liu

Episode 73: Quantum Money with Jiahui Liu

Jim discusses quantum money with Jiahui Liu.  Quantum money is a linchpin of quantum cryptography.  The ability to creat... Read more

18 Jun 2023

1hr

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Episode 72: Born Rule and Gravity with Antony Valentini

Episode 72: Born Rule and Gravity with Antony Valentini

Jim talks with Antony Valentini about the difficulties of interpretation of quantum mechanics in light of quantum gravit... Read more

23 Apr 2023

1hr 13mins

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Episode 71: Primordial Graviton Background

Episode 71: Primordial Graviton Background

Jim talks with Sunny Vagnozzi about using the Primoridial Graviton Background to rule out all inflation models. Show Not... Read more

19 Feb 2023

45mins

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Episode 70: Path Integrals and Entanglement with Ken Wharton

Episode 70: Path Integrals and Entanglement with Ken Wharton

Jim talks with Ken Wharton about how to describe entangled states as sums over histories of particle paths using the pat... Read more

18 Dec 2022

46mins

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Episode 69: The Flavor Puzzle with Joe Davighi

Episode 69: The Flavor Puzzle with Joe Davighi

Jim talks with Joe Davighi of the University of Zurich about the flavor unification at high energies - the merging of al... Read more

20 Nov 2022

42mins

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Episode 68: Quantum Resource Theories with Gilad Gour

Episode 68: Quantum Resource Theories with Gilad Gour

Jim talks with Gilad Gour of the University of Toronto about quantum resource theories.  These are theories of largish s... Read more

26 Sep 2022

51mins

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Episode 67: Optical Gravity with Matthew R. Edwards

Episode 67: Optical Gravity with Matthew R. Edwards

Jim talks with Matthew R. Edwards about his theory of Optical Gravity.  This is a Le Sage model of gravity based on grav... Read more

14 Aug 2022

34mins

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Episode 66: The Limit of General Relativity with James Owen Weatherall

Episode 66: The Limit of General Relativity with James Owen Weatherall

Jim talks with James Owen Weatherall about his work on viewing general relativity as an effective field theory and where... Read more

26 Jun 2022

30mins

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Episode 65: Causality, Time and the Experiment Paradox with Michal Eckstein

Episode 65: Causality, Time and the Experiment Paradox with Michal Eckstein

Jim talks with Michal Eckstein of the Copernicus Institute for Interdisciplinary Studies about how two different kinds o... Read more

22 May 2022

1hr 5mins

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