While we can't directly observe the heart of a black hole, theoretical physics, armed with Einstein's General Relativity and the perplexing realm of quantum mechanics, offers fascinating glimpses into what its interior *should* look like. This exploration delves into the mind-bending predictions for these cosmic enigmas.

The simulation hypothesis posits that our reality could be a sophisticated computer program. But how do scientists and philosophers grapple with this profound idea, and can we ever truly know if our world is real or just lines of code?