The Image I: The idea of warped spacetime
Scientists are pretty sure, that they found a route to the fifth dimension
Have you ever heard of WED (Warped Extra Dimension)? The image above shows how this theory goes. The idea is that the thing, what is called the fifth dimension is around us. But we cannot see that thing. The warped spacetime causes that the observer, who is standing farther from the gravity brane seems to be bigger than the person, who is standing near the gravity brane(1).
So the distance from the gravity bane or hole in the gravity bane affects the ability to see objects. If the observer would stand farther from the wall, that means the observer sees the wall smaller. And the same thing is visible in camera obscura and hypothetical wormhole.
Image II: Open strings attached to a pair of D-branes (Wikipedia, Brane)
The brane is the term, that means the "layer" that moves in space-time. The brane is the theoretical mathematical term, that is used in theoretical physics, and that means there is nothing to be a significant and natural object that corresponds to a brane. But we can say that the closest term that corresponds to that theoretical thing is the layer. So as you see the warped spacetime would acting like the camera obscura. If the projection is farther from the hole, that thing makes it look bigger.
The fifth dimension is one of the most fascinating things, that scientists have ever imagined. The fact is that the fifth dimension exists but we cannot reach or notice that thing. The fifth dimension is like another room, where is a wall between those spaces.
The wall is the quantum field, what would deny traveling between the third and fifth dimension. But the nasty thing is that we can sense the high energetic reactions that happen in the fifth dimension. So how the fifth dimension is connected with dark material? Sometimes researchers have introduced theories that dark matter is the particles that are like a yoyo.
Those particles will jump between the third and fifth dimensions. So they are material that is frozen to the line of the dimensions. When the dark matter is trying to jump to the 3 dimension universe, where we are living, that thing causes that energy, what comes from the 3-dimensional universe will push the particle back to the fifth dimension. So the dark matter is jumping between dimensions.
http://hep.ph.liv.ac.uk/atlas/Physics/ExtraDimensions.html
https://www.independent.co.uk/news/science/parallel-universe-portal-mirror-world-science-stranger-things-oak-ridge-a8987681.html
https://www.popularmechanics.com/science/a35471480/dark-matter-fermion-portal-fifth-dimension/
https://www.sciencedaily.com/releases/2021/02/210201144939.htm
The description of brane:
(1) https://en.wikipedia.org/wiki/Brane
https://en.wikipedia.org/wiki/Brane_cosmology
https://en.wikipedia.org/wiki/Camera_obscura
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