Lemniscater
An ice skater versus a 'lemniscater,' who skates the figure-eight lemniscate curve.
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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/2019-03-19-lemniscater/ (CC BY-NC 4.0)Transcript
[Ice Skater] a skater gliding in a line. [Lemniscater] a skater tracing a figure-eight (∞) on the ice.