Remember when hydrogen was just a happy little proton with an electron friend? Then quantum mechanics kicks in and suddenly your "simple atom" looks like a math professor had a seizure on the whiteboard.
The jump from high school's "draw a circle with a dot" to those horrifying wave functions is why physics majors develop eye twitches by junior year. That colorful 3D probability donut isn't even the scary part—it's the Laguerre polynomials that make students question their life choices.
Pro tip: If you ever want to clear a room at a party, just start explaining spherical harmonics. Works every time.
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