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Knot a Problem

  1. Jan 22, 2013 #1

    jedishrfu

    Staff: Mentor

  2. jcsd
  3. Jan 22, 2013 #2

    micromass

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    Very cool video!!

    However, using a knife to cut the band is a bit cheating, so it becomes a bit less impressive :tongue2: Still cool though.
     
  4. Jan 22, 2013 #3

    jedishrfu

    Staff: Mentor

    True, I liked the thinking outside the box even though we knew this trick from the mobius strip. I also liked how he compared the real to the math to show how one allows it but the other doesn't.
     
  5. Jan 22, 2013 #4
    That's not strictly true. The math allows for a torus to be made into a trefoil knot, which is what he did. It's a lesson in choosing mathematical models carefully. Still, it was a very cool video; I think I'll make one for myself.
     
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