Dimensions

Dimensions

[dih-men-shuhn, dahy-]

Dimensions is a French project that makes educational movies about mathematics, focusing on spacial geometry. It uses POV-Ray to render some of the animations, and the films are release under a Creative Commons licence.

The film is separated in nine chapters, which follow this plot:

  • Chapter 1: Dimension two explains Earth's coordinate system, and introduces the stereographic projection.
  • Chapter 2: Dimension three discusses how two-dimensional beings would imagine three-dimensional objects.
  • Chapters 3 and 4: The fourth dimension talk about four-dimensional polytopes (polychora), projecting the regular ones stereographically on the three-dimentional space.
  • Chapters 5 and 6: Complex numbers are about the square root of negative numbers, transformations, and fractals.
  • Chapters 7 and 8: Fibration show what a fibration is. Complex numbers are used again, and there are circles and tori rotating and being transformed.
  • Chapter 9: Proof emphasizes the importance of proofs in mathematics, and proves the circle-conservationess of the stereographic projection as an example.

External Link

The project's website is http://www.dimensions-math.org/
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