Cut a Sine Wave with One Straight Cut

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You can cut a strip of paper along a sine wave with one straight cut. Does this sound impossible?


Materials

Steps

  1. Roll a long strip of paper around the tube a few times.
  2. Cut through both the paper and the cardboard tube with a knife at an angle i.e. not perpendicular to the cylinder's axis.
  3. Unroll the paper to see a sine wave cut.

Notes

References

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