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by trampi
2790 days ago
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as far as I can tell: no, it does not seem to be a Mobius. Edit: They did change the image. In the last image, they showed a metal surface which wrapped two times and had not the properties of a mobius strip. Edit 2: found it, the old image was this stock image: https://www.istockphoto.com/de/foto/moebius-streifen-in-meta... |
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This is still a single-sided surface though (with the 2 twists).
Wikipedia: "the Möbius strip can also be formed by twisting the strip an odd number of times greater than one"
Not sure about needing to be "odd", I think 2 qualifies as well, so perhaps odd or even AND prime does it...