When you search the word wormhole on the internet, you get to see many diagrams. Basically, the same thing we did with the paper, two points were connected through a hole. Here, it is imagined that we have a space-time mesh, on which there is an object with an extremely strong gravitational force. So strong that the curvature of space-time has bent so much that it has pierced through the other side. The space-time mesh has folded on itself. Just like we folded that paper. And this wormhole has become a shortcut to travel from one galaxy to another.
But in all these visualizations, the problem is with the dimensions. We try to represent a wormhole in two dimensions. But as we said, wormhole works in 3D to 4D. So in reality, if a wormhole exists, it will look like a spherical ball.
The wormhole shown in the Interstellar film is depicted in a very realistic way. Here, it is important to mention that the concept of wormholes for now, as of 2023, is just a theoretical concept. It has been theoretically derived as a solution to Einstein’s field equations. In movies, scientists have tried to visualize it. Many theories have been formed about it, but practically no one has seen a wormhole yet. Scientists don’t know whether wormholes really exist or not.
