What is a wormhole and on what principles is it based?
What is a wormhole?
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. A wormhole could connect extremely long distances such as a billion light years or more, short distances such as a few meters, different universes, or different points in time.
How does a wormhole work, on what principle is it based?
a wormhole is based o on a special solution of the Einstein field equations. Wormholes are consistent with the general theory of relativity. For a simplified notion of a wormhole, space can be visualized as a two-dimensional surface. In this case, a wormhole would appear as a hole in that surface, lead into a 3D tube (the inside surface of a cylinder), then re-emerge at another location on the 2D surface with a hole similar to the entrance. An actual wormhole would be analogous to this, but with the spatial dimensions raised by one. For example, instead of circular holes on a 2D plane, the entry and exit points could be visualized as spheres in 3D space. Another way to imagine wormholes is to take a sheet of paper and draw two somewhat distant points on one side of the paper. The sheet of paper represents a plane in the spacetime continuum, and the two points represent a distance to be traveled, however theoretically a wormhole could connect these two points by folding that plane (i.e. the paper) so the points are touching. In this way it would be much easier to traverse the distance since the two points are now touching.
What are the advantages of having a wormhole in reality?
If traversable wormholes exist, they could allow time travel. A proposed time-travel machine using a traversable wormhole would hypothetically work in the following way: One end of the wormhole is accelerated to some significant fraction of the speed of light, perhaps with some advanced propulsion system, and then brought back to the point of origin. Alternatively, another way is to take one entrance of the wormhole and move it to within the gravitational field of an object that has higher gravity than the other entrance, and then return it to a position near the other entrance. A possible resolution to the paradoxes resulting from wormhole-enabled time travel rests on the many-worlds interpretation of quantum mechanics.
What are the disadvantages of having a wormhole in reality?
even if a wormhole is ever made it would be difficult to enter and stay in it as the energy inside a wormhole is too much which can be assumed by the fact that they transmit things with speed more than speed of light so if we enter a wormhole the craft carrying the people and the people both would turn into photons leaving the other side with no passengers therefore even if we find a wormhole we need a machinery which would cost too much to manage the energy. it would also be a disadvantage for us in a manner that it would end up opening inter special dimension which adds up to the prophecy of alien and alien invasion.
with the materials and facts available we can say that wormholes are hypothetical and these things might be into existence but practically not discovered yet. wormholes are just like tossing coins with having both bright and dark sides.
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By Vishal Patil