Geometric whirlpools revealed

@article{Ball2006GeometricWR,
  title={Geometric whirlpools revealed},
  author={Philip Ball},
  journal={Nature},
  year={2006}
}
  • P. Ball
  • Published 19 May 2006
  • Physics
  • Nature
Recipe for making symmetrical holes in water is easy. 

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A hexagonal feature around Saturn's north pole