# \#electromagnetism

**URL:** https://scanalyst.fourmilab.ch/tag/electromagnetism/510.md

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## [Hans Schantz: What Physicists Don't Know About Electromagnetism](https://scanalyst.fourmilab.ch/t/hans-schantz-what-physicists-dont-know-about-electromagnetism/3632)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [22 August 2023 17:37 UTC](https://scanalyst.fourmilab.ch/t/hans-schantz-what-physicists-dont-know-about-electromagnetism/3632 "2023-08-22T17:37:05Z")

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Most physicists learn in their education that all of the phenomena of electromagnetism were explained by the theory of quantum electrodynamics, developed in the 1950s, with some of its creators awarded the …

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## [Making a Circular Jacob's Ladder](https://scanalyst.fourmilab.ch/t/making-a-circular-jacobs-ladder/2813)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [28 February 2023 01:30 UTC](https://scanalyst.fourmilab.ch/t/making-a-circular-jacobs-ladder/2813 "2023-02-28T01:30:24Z")

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Getting a Jacob’s ladder to work reliably can be a fussy business. You have to get the bottom wires at just the right distance to strike an arc every time, and the angle of the diverging arms so that the h…

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## [How Electric Fields Transmit Energy](https://scanalyst.fourmilab.ch/t/how-electric-fields-transmit-energy/1311)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 2\
**Last updated:** [6 May 2022 02:30 UTC](https://scanalyst.fourmilab.ch/t/how-electric-fields-transmit-energy/1311 "2022-05-06T02:30:25Z")

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This video is a follow-up to the original video posted here on 2021-11-21 in “Does Electrical Energy Flow through Wires?” and subsequent discussion. Both theoretical and experimental demonstrations argue t…

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## [Levitating Charged Particles with an Ion Trap](https://scanalyst.fourmilab.ch/t/levitating-charged-particles-with-an-ion-trap/713)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [11 January 2022 09:33 UTC](https://scanalyst.fourmilab.ch/t/levitating-charged-particles-with-an-ion-trap/713 "2022-01-11T09:33:58Z")

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## [Does Electrical Energy Flow through Wires?](https://scanalyst.fourmilab.ch/t/does-electrical-energy-flow-through-wires/413)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 19\
**Last updated:** [24 November 2021 21:53 UTC](https://scanalyst.fourmilab.ch/t/does-electrical-energy-flow-through-wires/413 "2021-11-24T21:53:55Z")

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Remember where the vector is Poynting!