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Thread: Gravitons or curvature of space-time continuum?

  1. #1 Gravitons or curvature of space-time continuum? 
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    Gravitons or curvature of space-time continuum,which is responsible for gravity?


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  3. #2 Re: Gravitons or curvature of space-time continuum? 
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    Quote Originally Posted by Robins Thomas John
    Gravitons or curvature of space-time continuum,which is responsible for gravity?
    I think neither gravitons nor space-time is the right answer. There ought to be some basic particles that are exchanged between bodies to bring about the attractive gravitational force. Simple quantum of gravity is not the answer.


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  4. #3  
    Forum Radioactive Isotope MagiMaster's Avatar
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    Do you have a clue what you're talking about? Gravitons would be "basic particles that are exchanged between bodies to bring about the attractive gravitational force," if they exist.

    To answer the OP, GR says curvature of spacetime is responsible and GR is an incredibly successful theory. It is almost certainly not the final word, but it's the best so far (by a long shot).
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  5. #4  
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    A reasonable answer to the question "gravitons or curvature" is "both". Gravitons, if they exist, are the quantum versions of curvature.

    At this point, no one knows how to formulate a quantum version of general relativity that is both testable and consistent with nature. String theory represents one promising--though so far incomplete--attempt at formulating such a theory.

    The main point to take from this is that when speaking of particles and force fields, it's not a matter of "either/or". Theories involving force fields are the classical (i.e. large scale) limits of theories that involve particles.
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    Forum Sophomore An inconvenient lie's Avatar
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    will somone give me a good link (i would like to learn more about this topic) 8)
    http://whatreallyhappened.com/WRHART...alwarming.html
    Global warming is an inconvenient lie!

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  7. #6  
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    Quote Originally Posted by An inconvenient lie
    will somone give me a good link (i would like to learn more about this topic) 8)
    Which topic? So far general relativity, quantum field theory and string theory have been mentioned. That pretty much covers all of fundamental physics including research areas that are far from settled. You are not going to find that covered in any single source, let alone a link.
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  8. #7  
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    Quote Originally Posted by An inconvenient lie
    will somone give me a good link (i would like to learn more about this topic) 8)
    http://www.google.com/

    it's a very easy to use source for finding good information. use it.
    physics: accurate, objective, boring
    chemistry: accurate if physics is accurate, slightly subjective, you can blow stuff up
    biology: accurate if chemistry is accurate, somewhat subjective, fascinating
    religion: accurate if people are always right, highly subjective, bewildering
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  9. #8  
    Geo
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    Mass takes up space.
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  10. #9  
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    Quote Originally Posted by Geo
    Mass takes up space.
    why do you say that ?
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