http://en.wikipedia.org/wiki/Mobius_strip http://en.wikipedia.org/wiki/Mobius_strip There are plenty of problems with magnetic monopoles, but that was a partic

http://en.wikipedia.org/wiki/Mobius_strip http://en.wikipedia.org/wiki/Mobius_strip There are plenty of problems with magnetic monopoles, but that was a particularly unfortunate choice of analogy.