![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 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](https://pbs.twimg.com/media/Eegzx-OXsAQ_nVr.jpg)
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
![general topology - How can a mug and a torus be equivalent if the mug is chiral? - Mathematics Stack Exchange general topology - How can a mug and a torus be equivalent if the mug is chiral? - Mathematics Stack Exchange](https://i.stack.imgur.com/qa0Ja.jpg)
general topology - How can a mug and a torus be equivalent if the mug is chiral? - Mathematics Stack Exchange
![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 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](https://pbs.twimg.com/media/Ft9QQQ0WIAIuaU_.jpg:large)
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
![Quantum Matter Theory Research Team | Akira Furusaki | Center for Emergent Matter Science (CEMS) | RIKEN Quantum Matter Theory Research Team | Akira Furusaki | Center for Emergent Matter Science (CEMS) | RIKEN](http://cems.riken.jp/wp-content/uploads/2013/03/A080_FurusakiT-Fig.jpg)
Quantum Matter Theory Research Team | Akira Furusaki | Center for Emergent Matter Science (CEMS) | RIKEN
![a) Doughnut-cup morph. The doughnut consists of 4,096 triangles. The... | Download Scientific Diagram a) Doughnut-cup morph. The doughnut consists of 4,096 triangles. The... | Download Scientific Diagram](https://www.researchgate.net/publication/2297606/figure/fig3/AS:340662277951490@1458231624446/a-Doughnut-cup-morph-The-doughnut-consists-of-4-096-triangles-The-cup-consists-of.png)
a) Doughnut-cup morph. The doughnut consists of 4,096 triangles. The... | Download Scientific Diagram
![Greg Warner on X: "@jamesgrime I found this torus mug in a shop. We know that a mug is a torus with one hole in it, but what happens when you try Greg Warner on X: "@jamesgrime I found this torus mug in a shop. We know that a mug is a torus with one hole in it, but what happens when you try](https://pbs.twimg.com/media/DpVXVRMU8AANbVn.jpg:large)