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Kepler's Snowflakes

Philip Ball's tale is of Kepler's Snowflakes, a New Year's gift and his legacy of crystallography.

Philip Ball reveals the tale of a small booklet 'On The Six-Cornered Snowflake", written by Johannes Kepler as a New Year's gift. The C17th astronomer wished to explain the intricate and symmetrical shape of winter's tiny stars of snow. His insightful speculations about minerals and geometry was the beginning of the modern understanding of crystals.

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28 minutes


  • Boxing Day 2018 21:00
  • Fri 31 Dec 2021 11:00