Actually worm hole is a theoritcal and a fictional subject
Wormholes are shortcuts in spacetime, popular with science fiction authors and movie directors. They've never been seen, but according to Einstein's general theory of relativity, they might exist.
wormhole, solution of the field equations in German-born physicist Albert Einstein's theory of general relativity that resembles a tunnel between two black holes or other points in space-time. Such a tunnel would provide a shortcut between its end points.
Wormholes may not only connect two separate regions within the universe, they could also connect two different universes. Similarly, some scientists have conjectured that if one mouth of a wormhole is moved in a specific manner, it could allow for time travel.
In Einstein's theory of general relativity, making a wormhole is pretty straightforward: You just build a black hole and connect it to a white hole (which is the exact opposite of a black hole), and boom, there you have it: a tunnel through space-time
A wormhole (or Einstein–Rosen bridge or Einstein–Rosen wormhole) is a speculative structure linking disparate points in spacetime, and is based on a special solution of the Einstein field equations.
A wormhole can be visualized as a tunnel with two ends at separate points in spacetime (i.e., different locations, different points in time, or both
Wormholes are consistent with the general theory of relativity, but whether wormholes actually exist remains to be seen. Many scientists postulate that wormholes are merely projections of a fourth spatial dimension, analogous to how a two-dimensional (2D) being could experience only part of a three-dimensional (3D) object
You’ve got yourself a fancy new spaceship and you want to start on a five-year tour of the galaxy. But there's a problem: Space is big. Really big. And even at the fastest speeds imaginable, it takes eons of crawling across the interstellar voids to get anywhere interesting.
The solution? It’s time to build a wormhol
A shortcut. A tunnel. A bridge through spacetime that lets you skip through all that boring space travel and speed to the fun stuff. It’s a staple of science-fiction, and it’s rooted in science-fact
The first step is to understand that wormholes are totally legit in the mathematics of general relativity (GR). We’re using GR because that’s our language of gravity, and Albert Einstein’s brilliant mathematical engine is relatively straightforward. Einstein realized that while we experience gravity as a force, it's really just the sensation we feel as we’re forced to navigate the bumps, wiggles, and undulations of spacetime. Those same bumps, wiggles, and undulations come from the distribution of matter and energy in that same spacetime.
Matter tells spacetime how to bend; the bending of spacetime tells matter how to move If we want to build a tunnel in spacetime—a wormhole—we need to discover some arrangement of matter and/or energy that bends spacetime just so, ensuring that a tunnel will appear. With general relativity as a guide, we need to find a solution to its equations that permits the existence of a wormhole.
And at first glance, we might think that the simplest way to build a wormhole is to build a black hole.
Black holes are regions of spacetime that are cut off from the rest of the Universe. They are punctures in spacetime itself—a point of infinite density known as a singularity, wrapped in a one-way barrier called the event horizon. Once you cross the event horizon, the inrush of gravity is so overwhelming that nothing, not even light, can escape. Indeed, it’s more than a one-way trip; it’s a straight-up highway to a (singular) hell. Once you enter a black hole, you’re guaranteed to reach the singularity—and your doom—in a finite amount of time.
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