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This program begins with the establishment of NASA in 1958 and explains the history and requirements of Project Mercury—the first manned orbital flight by the U.S. It covers training for high gravity and weightlessness; the development of a life-support system for space and a spaceship; the response to the flight of Yuri Gagarin; the first American manned space flight—Alan Shepard’s 15-and-a-half minute suborbital flight; the series of orbital flights beginning in 1962 that tested endurance, the effects of weightlessness, the techniques of docking, rendezvous, and EVA for an Earth-Moon mission; and the preliminary surveys to determine whether a manned landing on the moon was feasible. (28 minutes)



 
                

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Copyright date: ©1989



Part of the Series : Video Encyclopedia of Space
     


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Center of Mass Motion

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Although batteries may look complicated, they are as simple as lemons. Bob Symes uses this fruit as the source of electrolytes-a basic component of all batteries. He attaches two dissimilar metal rods (one zinc, one copper) to a lemon and then measur...(more details)
 
How Lenses Work

Many people wear glasses to help them see, but how do the lenses in the glasses work? Bob Symes demonstrates the differences in the images produced by flat, convex, and concave lenses. He shows how a lens bends light according to the thickness and di...(more details)
 
How Telephones Work

We speak into the telephone; we hear the voice of the caller, but how do the voices travel from one telephone to the other? Bob Symes opens up a telephone receiver to find the answer. A microphone made of loosely packed carbon granules changes the el...(more details)
 


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