A donut is not a sphere | Things you can do on one surface but not the other

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►Original video I'm responding to: https://youtu.be/lmcT2mP2bfE
►James Grime 3 Utilities Problem Explanation: https://www.youtube.com/watch?v=ODtwehGzoLM
►3b1b 3 Utilities on Coffee Mug: https://www.youtube.com/watch?v=VvCytJvd4H0
►Wind on Torus Vs Sphere Video: https://youtu.be/z-GlM7eTFq8

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Видео A donut is not a sphere | Things you can do on one surface but not the other канала Zach Star