Recreational mathematics
Vi Hart

Singing (and noises)

  1. Doodle Music
  2. Binary Hand Dance
  3. What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch)
  4. Folding Space-Time

Doodle Music A visual and musical expression of mathematical symmetry groups. The transformations done to the video are equivalent to the transformations done to the notes. These type of repeating patterns are called frieze patterns. A couple wallpaper groups are also represented.

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Doodle Music

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