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Anonymous
#86
2 years ago
Actually, Cheerilee is dividing the divergence of the electric flux density by product of the electric permittivity and the magnetic permeability there. Why she'd do that is any pony's guess.
Anonymous
#90
2 years ago
Yeah, but permittivity times the permeability IS the index of refraction. Well, okay I think maybe you have to square it but still.
Anonymous
#91
2 years ago
Oh wait, shit, there's no subscript-r. Either she's using pony-shorthand or there's some Electromagnetics Fail.
Anonymous
#4265
1 year ago
well when youre the only teacher (as far as we know) in ponyville you need to be able to teach the older students as well.
Anonymous
#17010
1 year ago
fucking magnets, how do they work?
Anonymous
#17382
1 year ago
like this
http://www.coolmagnetman.com/maghow.htm

deal_with_it.jpg
Anonymous
#1008858
5 months ago
And they're learning this in elementary school.

Smart Kids.