[Black holes][1] are interpreted to have a "break down" of general relativity at their point of singularity. The region near the singularity is expected to be described by some theory of [quantum gravity][2]. This makes me wonder, are there any serious attempts at making theories for probing the inside of black hole [event horizons][3] in order to learn about the physics inside them?


  [1]: https://en.wikipedia.org/wiki/Black_hole
  [2]: https://en.wikipedia.org/wiki/Quantum_gravity
  [3]: https://en.wikipedia.org/wiki/Event_horizon