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Jim Rantschler and Randy Morrison discuss physics from elementary particles to cosmological effects at the limits of our theoretical knowledge or have recently emerged.
Jim talks with Daniel Whiteson of the University of California at Irvine about his new book _Do Aliens Speak Physics,_ In this discussion we...
Jim talks with Koustubh Phalak about quantum random access memory (QRAM), a proposed technology that would allow the storage of quantum stat...
Jim talks with Philip Tee about the effects of a fundamental length scale. Phil uses doubly special relativity to try to find observable eff...
Jim talks with Philipp Strasberg about his simulations of branching and recombining processes in the evolution of quantum states, and their...
Jim talks with Elba Alonso-Monsalve and David Kaiser about the prospects to describe dark matter as tiny black holes that were created at th...
Jim talks with Bruna Shinohara of CMC Microsystems. Quantum computing and machine learning are both currently making huge strides. So it is...
Jim talks with Alex Jurgens about Maxwellian ratchets, automata that are similar to Maxwell's Demon. They talk about their implications for...
Jim talks with Claus Kiefer about the implications of Goedel's incompleteness theorems on the search for the theory. Show Notes: http://fron...
Jim talks with Nick Ormrod and V. Vilasini about their use of categorical probability theory to analyze the measurement problem. We discuss...
Jim talks with David Wolpert about the non-equilibrium behavior of computation, what it means for entropy, and how it relates to traditional...
Jim discusses quantum money with Jiahui Liu. Quantum money is a linchpin of quantum cryptography. The ability to create secure banknotes usi...
Jim talks with Antony Valentini about the difficulties of interpretation of quantum mechanics in light of quantum gravity. In particular, An...
Jim talks with Sunny Vagnozzi about using the Primoridial Graviton Background to rule out all inflation models. Show Notes: http://frontiers...
Jim talks with Ken Wharton about how to describe entangled states as sums over histories of particle paths using the path integral method. H...
Jim talks with Joe Davighi of the University of Zurich about the flavor unification at high energies - the merging of all leptons into one k...
Jim talks with Gilad Gour of the University of Toronto about quantum resource theories. These are theories of largish systems that describe...
Jim talks with Matthew R. Edwards about his theory of Optical Gravity. This is a Le Sage model of gravity based on graviton filiments. Show...
Jim talks with James Owen Weatherall about his work on viewing general relativity as an effective field theory and where it should give way...
Jim talks with Michal Eckstein of the Copernicus Institute for Interdisciplinary Studies about how two different kinds of ordering, chronolo...
Jim talks with Blake Stacey about recent attempts to replace Born's rule. Born's rule is the principle used in quantum mechanics that associ...
Jim talks with Blake Stacey about Gleason's Theorem, a foundational topic in the foundations of quantum mechanics. Gleason's theorem gives u...
Jim and Randy talk about how special relativity might be amended to incorporate a minimum length scale. Such scales are common in quantum gr...
Jim and Randy talk about alternatives to black holes without event horizons or singularities. Show Notes: http://frontiers.physicsfm.com/61
Randy tells Jim about developments of metrics describing isolated spacetime bubbles that could, possibly, move faster than light. Show Notes...
Randy and Jim discuss the current tension between measurements of the Hubble constant by different methods, and some attempts to resolve the...
Jim and Randy talk about the Higgs portal to dark matter and the nightmare scenario for particle physicists: what if the LHC never saw any t...
Randy and Jim talk about two proposals to use gravitational wave interferometry to show that gravitons exist through noise measurements. Sho...
Jim and Randy discuss the measurements of the anomalous magnetic moment of the muon and some of the ways in which the discrepancy between th...
Jim and Randy discuss the rationales for multiverses based on quantum mechanics, string theory, and the anthropic principle. Show Notes: htt...
Randy and Jim talk about the strange results of the ANITA experiment: tau neutrinos that seem to come up out of the Earth. Notes: http://fro...
Randy tells Jim about ways in which electromagnetism reduces the gravitational attraction caused by a body.
Jim and Randy discuss the hypothesis of sterile neutrinos, neutrinos that are even more ghostly than neutrinos that are dark matter candidat...
Jim and Randy talk about gravitational waves.
Jim and Randy discuss a possible "fifth force," the hypothetical X17 particle that has been seen in several experiments. Erratum: The g-2 of...
Jim and Randy discuss the apparent creation of quanta seen by comparing the viewpoints of relatively accelerating observers -- the Unruh Eff...
Randy introduces Jim to the Gertsenshtein effect, the conversion of gravitational waves to electromagnetic waves through resonances. Show No...
Randy introduces Jim to Sabine Hossenfelder's bimetric theory of gravity. In this gravitational theory, there are two types of matter whose...
Randy and Jim discuss experiments that purport to show that there is no such thing as objective reality. Show Notes: http://frontiers.physic...
Jim and Randy discuss loop quantum gravity, and integration of quantum mechanics and gravity that quantizes space-time itself through the us...
Jim and Randy discuss experiments that put a minimum superluminal speed of communication between parts of a wavefunction. Show Notes: http:/...
Randy introduces Jim to a refutation of the positive energy theorem in a universe with a cosmological constant. Show Notes: http://frontiers...
Jim and Randy discuss Eric Verlinde's theory thermodynamic theory of gravity. This theory purports to explain gravitational attraction and i...
Randy and Jim discuss the chameleon field -- a way to model dark energy with a scalar boson of varying strength. Show Notes: http://frontier...
Randy tells Jim about a way to use an extension of an extension of the complex numbers to reveal the nature of elementary particles. Show No...
Randy tells Jim about experiments with Neutrons and Photons in materials that exhibit negative effective mass. Not only do these effects sho...
Jim discusses why the world we observe is 4-dimensional with Randy. We discuss anthropic and fundamental reasons why we need 3 dimensions an...
Randy explains to Jim theories on how to incorporate a native angular momentum into general relativity. Show Notes: http://frontiers.physics...
Randy tells Jim about recent results in the description of the electromagnetic stress tensor in metamaterials. In particular, we discuss the...
Jim and Randy explore the landscape of string theory in the anthropic manner put forward by Leonard Susskind. Show Notes: http:frontiers.phy...
CPT Symmetry is a fundamental symmetry in the standard model. Jim and Randy discuss what happens when it is applied to general relativity. S...