Learn instead of building time machines

Today I kinda messed up one of my exams (at least it feels like it). It’s probably not going to be an F, but not as good as I would like it to be. Because of that I felt inspired to “draw” a short comic in the style of by XKCD (altough not as pretty as the XKCD comics are):

By the way, that WOOP is the sound the universe makes when it implodes.

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