What will happen to a person if he ends up in a black hole? (video)

Have you tried to catch signals from the future on your bookshelf after watching Intelstellar? In Nolan's imagination, the hero managed to appear in a black hole, and then through the bookshelves, which are a tunnel of time and space, to communicate coded data to his daughter. Have you ever wondered what would actually happen to a person if he suddenly appeared inside a black hole?

Let's first understand what a black hole is and how it occurs.