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J. D. Blood on X: "A topologist takes a sip from a doughnut and bites into a coffee mug. If two objects were like rubber and you could bend or stretch one
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Clifford Johnson on X: "Among the many delights of having a layover at Denver airport (and I never thought I'd hear myself say those words and mean them): a genus 2 coffee
Topology Illustrated - Topology is often called the "rubber-sheet" geometry. For example, you can see below how a coffee mug is transformed into a donut through gradual and continuous transformations. Then, why
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general topology - How can a mug and a torus be equivalent if the mug is chiral? - Mathematics Stack Exchange
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