Nondifferentiable Dancing
A jerky dancing stick figure names a move after the Weierstrass function, which is continuous but nowhere differentiable.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-05-31-nondifferentiable-dancing/ (CC BY-NC 4.0)Transcript
[Title] "NEW MOVE: THE WEIERSTRASS" — "I aspire to dance movements that are nowhere differentiable."