Quote:
Originally Posted by czeslaw
If a string oscillate it has to be made of something or to be in a medium. If a string is not a substance we can't observe the oscillations. A substance oscillate only. A pure mathematic wave oscillate in our imagination but we can't sense it, I think.
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If you believe that it is purely mathematical then it does not exist in reality and I'm not sure why you would want to pursue it. If strings - or something like them do exist in reality, they require a physical space in which to oscillate into the various particles and that is why string theories require extra dimensions. That's one of the reasons the theory holds so much fascination; it's not a theory of conjecture filled with a lot of ad hoc tweaks; all of the parameters are required and predicted by the theory itself, including gravity.
