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Visualizing Electricity

demystifyingscience.com

1–10 of 93 posts

Re: Visualizing Electricity

#2
" we propose the following animation: Electricity as surface-to-surface rotational gearing between electron-shells on atoms (see movie below). "

That's not the mechanism for ordinary electrical conduction in metals. In my opinion the resulting visualization is very misleading.

EDIT: I recommend the excellent Hyperphysics web site. http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ohmmic.h

Re: Visualizing Electricity

#3

" we propose the following animation: Electricity as surface-to-surface rotational gearing between electron-shells on atoms (see movie below). " That's not the mechanism for ordinary electrical conduction in metals. In my opinion the resulting visualization is very misleading. EDIT: I recommend the excellent Hyperphysics web site. http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ohmmic.h

Why? Metals are addressed at the end of the video. Metals can be thought of in the same manner except with complex orbitals that host multi-polar contacts with neighboring atoms.

Re: Visualizing Electricity

#5
I’m not sure how this visualization is better than the hydrodynamic visualization, but it’s worse in one very important way - it uses “rotation” as a metaphor when angular momentum and spin are already very important. It would be hopelessly confusing to learn this metaphor (which has nothing to do with spin) and then try to disentangle it from your mental model when learning about spin later on.

Re: Visualizing Electricity

#6

I’m not sure how this visualization is better than the hydrodynamic visualization, but it’s worse in one very important way - it uses “rotation” as a metaphor when angular momentum and spin are already very important. It would be hopelessly confusing to learn this metaphor (which has nothing to do with spin) and then try to disentangle it from your mental model when learning about spin later on.

spin for electrons is actually approximated by spherical rotation: https://www.physics.mcmaster.ca/phys3mm3/notes/whatisspin.pd...

Re: Visualizing Electricity

#7

Really love this. How did you decide on the rotational transmission, rather than electron "flow"?

Momentum transfer is the key idea. Flow is not apparent. Spherical field rotation is actually a decent way to conceive of electron motion: https://www.physics.mcmaster.ca/phys3mm3/notes/whatisspin.pd...

Re: Visualizing Electricity

#8
In case the author of the video reads this: I tried to watch it but after 2 minutes I just had to turn it off as I couldn’t handle that music anymore. It’s extremely distracting when you try to listen to what the narrator is explaining. It’s not that I don’t like background music in explanatory videos, but this music is way too loud and complex to not distract.

Also, considering the video is uploaded to YouTube, I would remove the moving white “stars” in the background. The model itself is very detailed already, which makes it noisy after running it though YouTube’s compression, but the moving stars cause there to be even less bandwidth available for the visualization itself, resulting in more compression artifacts.

Re: Visualizing Electricity

#9
post #8

In case the author of the video reads this: I tried to watch it but after 2 minutes I just had to turn it off as I couldn’t handle that music anymore. It’s extremely distracting when you try to listen to what the narrator is explaining. It’s not that I don’t like background music in explanatory videos, but this music is way too loud and complex to not distract. Also, considering the video is uploaded to YouTube, I wo…

Cool. Thanks for the suggestion- i'll pass it along. You can mute the audio and still read the titles. Same info.

Also, i'm pretty sure those are other distant atoms, not stars.

Re: Visualizing Electricity

#10

" we propose the following animation: Electricity as surface-to-surface rotational gearing between electron-shells on atoms (see movie below). " That's not the mechanism for ordinary electrical conduction in metals. In my opinion the resulting visualization is very misleading. EDIT: I recommend the excellent Hyperphysics web site. http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ohmmic.h

Why? Metals are addressed at the end of the video. Metals can be thought of in the same manner except with complex orbitals that host multi-polar contacts with neighboring atoms.

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