File:Pxpstep1.gif
Summary
| Description |
English: Why a 360 degree (2π radian) rotation actually flips any connections that you have to the world around, but a 720 degree (4π radian) rotation can bring these connections back to the way they were. In particular here, a "second" 360o rotation is needed to untangle 3 or more (here red, green and blue) external connections to an object, which have become tangled by a 360o "first" rotation. |
| Date | |
| Source | Own work |
| Author | P. Fraundorf |
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