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  • Norm53's Avatar
    10-11-2019, 01:47 PM
    There are two theories: Special and General. Special assumes the absence of gravity; General assumes gravity. Special has two postulates, both...
    2 replies | 116 view(s)
  • Norm53's Avatar
    10-04-2019, 03:49 PM
    I read all 6, but I intend to reread them more carefully after reading comments by experts. I did view most of the movies, but know in advance...
    2 replies | 476 view(s)
About Norm53

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About Norm53
Location:
Cape May NJ
Occupation:
Retired Engineer

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