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The DemystifySci Podcast

Did Newton & Einstein Get Gravity & Inertia All Wrong? - Dr. André Assis, DSPod #233

Mar 17, 2024
02:22:50

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This is our second conversation with esteemed physics professor, Dr. Andrê Koch Torres Assis. Following our earlier discussion of Weber's electrodynamics, we now move into Professor Assis' other passion: Machian dynamics. Mach is perhaps one of the most well-known behind-the-scenes players in the saga of modern physics. Einstein and others often point to Mach as inspiring their ideas but it is often unclear exactly what Mach was proposing when he said that inertia was simply the result of the gravity of the sum total of all of the distant celestial bodies acting upon something locally. In this podcast we explore Mach's ideas through a few simple experiments. Please tell us your thoughts in the comments!

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Professor Assis' books, papers, talks: https://www.ifi.unicamp.br/~assis/

(00:00) Go!
(00:04:36) Mach's Principle
(00:09:21) There are no two body problems
(00:18:46) Setting a reference frame
(00:22:17) Newton Proves the Existence of the Vacuum
(00:32:21) Newton letting go of material cause
(00:40:48) Newton v Ernst Mach
(00:51:54)  What Newton Got Wrong about Gravity
(00:57:32) Weber's law of relational mechanics
(01:06:32) Space time as "absolute space"
(01:08:55) Mach's principle and the rotation of the Earth
(01:20:56) Experimental proof of relational mechanics?
(01:22:16) Gravity probe B
(01:34:10) Pitfalls of assuming a homogenous universe
(01:48:24) Why accept an expanding universe?
(02:12:35) Closing thoughts

#GravityExplained, #PhysicsDebate, #MachsPrinciple, #NewtonVsMach, #EinsteinVsMach, #AlternativeGravity, #CosmicPerspective, #InertiaInsights, #RelationalMechanics, #SpaceTimeDebate, #GravitationalTheories, #ModernPhysics, #CosmologyDiscussion, #ScienceDebates, #RevolutionaryIdeas, #QuantumGravity, #UniversalConnections, #ExperimentalPhysics, #CosmicUnderstanding, #NewPhysicsExploration, #sciencepodcast, #podcast #physics

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AND our material science investigations of atomics,  @MaterialAtomics   https://www.youtube.com/@MaterialAtomics

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PODCAST INFO:  Anastasia completed her PhD studying bioelectricity at Columbia University. When not talking to brilliant people or making movies, she spends her time painting, reading, and guiding backcountry excursions. Shilo also did his PhD at Columbia studying the elastic properties of molecular water. When he's not in the film studio, he's exploring sound in music. They are both freelance professors at various universities.

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MUSIC:

-Shilo Delay: https://g.co/kgs/oty671

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