Quote:
Originally Posted by renormalised
Here's something for you to ponder...strings are the smallest definable fundamental entities that we know of, much smaller than protons, quarks, gluons, photons, or any of the other particles in the Standard Model. They are made up of pure energy, according to theory.
If they are pure energy (whatever that may be), then what is that pure energy made out of?? In effect, what are strings??
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Strings are mathematical objects... constructs.
We do not need to know "what they really are made of", especially if they are "really" fundamental....