8C10.10-Expanding Universe

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Videos: Demonstration of Hoberman Sphere

Description: A mechanical model of the expanding universe according to the big bang theory.

Demonstration Procedure:

  1. Show how the compressed Hoberman sphere holds all points on the sphere in a constant volume
  2. Slowly expand the sphere noting how the compressed points disperse and separate according to the changing volume of the sphere
  3. Compare this to the expansion of the universe with the evolution of time