1 July 2014

Spin 1/2

I finally realized that the USB connector is a spin-1/2 object. For me, it works like this:
  • Try to plug it in: it doesn't work.
  • Turn by 180°: it doesn't work.
  • Turn again by 180°: it finally works!
Clearly, it takes (at least) two full turns to bring it back to the initial oriention!

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