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Uploaded by Anonymous #23BF
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Size: 1280x1072 | Tagged: anthro, artist:pentoolqueen, chalkboard, derpibooru import, math, physics, ruler, safe, teacher, twilight sparkle

Description:

Some kid trying to to be smart, saying its retarded when in fact is is called a retarded potential.


This isn’t funny.. I’m sorry

(It SEEMED funny at 2 in the morning)

Last time I try to make a joke out of the Lorentz gauge I swear


Version without text at source.