Thursday, December 8, 2016


(Recorded: 10/22/2016) (Published: 12/6/2017)

Randy talks to Jim about gravitoelectromagnetism. Based on the similarity between Newtonian gravity and electrostatics, there should be a second gravitational field,the gravitomagnetic field. What are the implications of the existence of such a field, and how large are those effects?

1. The books referred to in this podcast:

(A) Mirror Matter by Robert Forward, a book about antimatter.
(B) Collective Electrodynamics by Carver Mead, a book arguing for the primacy of the vector potential in electromagnetism.
(C) Quantum Paradoxes by Aharonov and Rohrlich, which uses the pseudo-paradoxes of quantum physics to explore the meaning of the quantum world. In it, it discusses the Aharonov-Bohm effect.

2. Physics Frontiers episodes related to this one:

The previous episode we referred to:
(A) Physics Frontiers 1: The Gravitational 4-Vector of Carver Mead

An episode where we discuss the papers by Robert Forward we referred to here:
(B) Physics Frontiers 6: General Relativity for the Experimentalist
(C) Physics Frontiers 25: Graviational Field Propulsion

Other related episodes:
(D) Physics Frontiers 12: A Gravitational Arrow of Time
(E) Physics Frontiers 31: The Parameterized Post-Newtonian Framework

3. The Quantum Paradoxes episode referred to in this episode was Quantum Paradoxes 4: Phases and Gauges, about the Aharonov-Bohm effect.

4. Our subreddit.

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