Comment on Baldur's Gayte
Semjaza@lemmynsfw.com 5 days agoA CD is clearly homotopic to a torus, though…
And the walls of a straw do have thickness…
A straw goes:
Gas - solid - gas - solid - gas
Comment on Baldur's Gayte
Semjaza@lemmynsfw.com 5 days agoA CD is clearly homotopic to a torus, though…
And the walls of a straw do have thickness…
A straw goes:
Gas - solid - gas - solid - gas
iAvicenna@lemmy.world 5 days ago
If solid torus yes, if just the regular torus (surface of the solid torus) no. CD is homotopic to a circle and so is a solid torus.
Semjaza@lemmynsfw.com 5 days ago
OK, that’s my ignorance. I didn’t realise toruses were usually hollow.
Thank you for letting me know, you’re right and I’ve learnt something.