(August 23, 2018 at 7:39 pm)Fireball Wrote:(August 23, 2018 at 7:33 pm)polymath257 Wrote: That is correct.
Alternatively, the Klein bottle can be made by attaching two Mobius strips together along their edge.
Unfortunately, I'm not able to attach them along their edge for real in my universe.
Well, the real Klein bottle can't be embedded in 3 dimensional space. Which is why you get a straw.