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Ministry of Image - Fanfiction Printing

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Description

This ain’t nothin’ after that thundercloud in Last Roundup.

safe2164514 screencap294903 derpy hooves57284 doctor whooves11768 time turner11768 earth pony442072 pegasus492417 pony1592400 g42016740 slice of life (episode)1990 animated125330 bowtie14809 derpy being derpy246 discovery family1763 discovery family logo12441 doctor whooves' lab38 female1791919 male547122 mare734496 plasma ball55 stallion193950
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Background Pony #DAAD
I like how Dr. Whooves doesn’t get irritated with Derpy interacting with his tinkerings.
Background Pony Number 17
My Little Pony - 1992 Edition

@ThruMuffin  
It’s a “plasma ball”. Same thing as a neon tube, really. The ball in the middle is one end of the circuit, and the glass inner wall is the other end. The ball is partially evacuated, and the voltage difference sends an arc like a miniature lightning bolt through the gas. When you touch it, that changes the local voltage difference which moves the arc.
 
Plasma balls shouldn’t raise your hair like this, though. The animators are mixing them up with Van de Graaf generators, which produce a strong voltage difference on a sphere and anything the sphere touches (like a person).
ThruMuffin

I remember seeing something like this tesla ball irl but i didn’t get energized at touch.. Anyway, i just loved the Derpiwhooves part of the episode