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Why do we Still Believe in Newton's Law?

  1. Feb 22, 2007 #1

    wolram

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    http://arxiv.org/abs/gr-qc/0702009

    Why do we Still Believe in Newton's Law ? Facts, Myths and Methods in Gravitational Physics
    Authors: Alexander Unzicker
    Comments: 29 pages LaTeX, 2 figures

    An overview of the experimental and observational status in gravitational physics is given, both for the known tests of general relativity and Newtonian gravity, but also for the increasing number of results where these theories run into problems, such as for dark matter, dark energy, and the Pioneer and flyby anomalies. It is argued that (1) scientific theories should be tested (2) current theories of gravity are poorly tested in the weak-acceleration regime (3) the measurements suggest that the anomalous phenomena have a common origin (4) it is useful to consider the present situation under a historical perspective and (5) it could well be that we still do not understand gravity. Proposals for improving the current use of scientific methods are given.
    `We do not know anything - this is the first. Therefore, we should be very modest - this is the second. Not to claim that we do know when we do not - this is the third. That's the kind of attitude I'd like to popularize. There is little hope for success.' (Karl Popper)

    An interesting overview.
     
    Last edited: Feb 22, 2007
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