What happens if you fall into a black hole? Common sense dictates that a person will be crushed by the colossal force of gravity. According to the new theory, we can still penetrate the event horizon into this wormhole and find ourselves in another part of the universe. In fairness, I must say that we will be crushed anyway. There has long been a debate about the fate of the matter sucked into a black hole, but in general, most agree that it all shrinks to the size of one point in space, called a singularity. The exit from behind will give matter a place where it can rush instead of being endlessly squeezed.
The idea is crazy. But there have been strange twists and turns in the wormhole theory before. The underlying principle is that the gravity of a black hole is so strong that it deforms spacetime itself. Imagine the universe as a piece of paper. If some force folds a part of the sheet, then the two edges of the sheet will touch. If an object in one part of the sheet crosses the fold and remains there, then when the sheet straightens out, this object will still be on the paper, but far from its starting point. Now imagine that this sheet of paper contains space and time. If both ends of the wormhole are close to each other, then theoretically the traveler could be at a different point in time.
For obvious reasons, a wormhole is something of science fiction. But even in science, this idea was firmly entrenched.
Einstein (and earlier theorists) was the first to predict the existence of wormholes in his theory of relativity. These burrows even have a name - the "Einstein-Rosen Bridge", named after Einstein and his colleague Nathan Rosen. It is often said that Einstein's wormholes link different universes, not different parts of the same universe. The analogy with a piece of paper can be continued here. Imagine a powerful force pulling together two points that are on separate sheets of paper. Thus, an object at the point of connection can move from one sheet to another, that is, fall into a completely different universe. If you combine these concepts, you can imagine traveling back in time in another universe.
Unfortunately, the new study only provides new theoretical insights into the structure of black holes, not bringing us closer to interstellar travel. Even if black holes are supposed to be permanently open wormholes, nothing can penetrate them safely. Everything will be crushed. The black hole will spit out the matter that has got into it from the other side, but this matter will no longer be in the state in which it got into it. And the force of gravity is so great that a wormhole can only open for a moment. However, it’s impossible to know for sure if you don’t try it. (Are there any volunteers?)
James MacDonald