>>16840211
>What is displacement current within a spherical capacitor where- due to spherical geometry- any B field is null?
'Displacement current' is a euphemism.

>>16840228
You are looking at a screen shot of a diagram taken from the elaboration of the framework, meant to quickly grab attention- then direct it towards the linked (now dead but archived) thread which is obviously right next to it.

>>16840293
Again, pic is a diagram with no context, not a proof of concept. Please don't take it as such.

Pic related is a breakdown of the nature of specifically longitudinal waves.Ya Ya inb4 gauge invariance- I got something to mitigate that little nuance as well.