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Tesla's theories are lost, for the most part.
Originally posted by Protector
The Grand Unified Theory does not yet exist. Every scientist who has tried has failed. Quantum gravity is been the major obstacle so far. Most other issues have been delt with, but until everything fits together, a GUT cannot exist. It is a hit or miss theory.
Relativistic Astrophysics is just Relativity. Relativity only exists on the macroscopic level, for now, so just saying General Relativity or Special Relativity or Relativity is ok. This may change soon.
Mesoscopic Physics is something I don't think I've heard of. I do know of photonic crystals, but I never knew of any official branch dedicated to it. Please post a link if you have anything on this.
Thanks for the post.