First day of physics: "Just use your right hand to figure out magnetic field directions!" *happy student noises*
Two weeks later: "The Lorentz force is given by F = qE + q(v × B) where the cross product determines..." *brain.exe has stopped working*
That moment when your professor casually transitions from "wiggle your fingers" to "calculate the electromagnetic force on a charged particle moving through spacetime" is the true university experience. Your confidence evaporates faster than liquid nitrogen at room temperature!