Turning a Sphere Inside Out is a documentary movie released in 1979. The film has gained attention for its storyline, performances, and production quality. Viewers can explore detailed information including cast, ratings, plot summary, and similar recommendations on CinemaToday.
This video is about the problem of turning a sphere inside out, by passing the surface through itself, without making any holes or creases. Mathematicians believed the problem to be unsolvable until 1958, when Stephen Smale proved otherwise. The motion of turning a sphere inside out, called a regular homotopy, is extremely difficult to visualize. The homotopy in this film was developed by Bernard Morin, a blind mathematician. The motion is illustrated with a sequence of chicken-wire models, built by Charles Pugh, showing the crucial stages in the motion. Commentary is provided by mathematicians Nelson L. Max, Stephen Smale, and Charles Pugh, and by physicist Judith Bregmann.
The cast of Turning a Sphere Inside Out features talented actors who bring the story to life with memorable performances.
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Turning a Sphere Inside Out has received positive audience ratings, reflecting its popularity and viewer engagement worldwide.
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