If space-time goes on forever, then it must start repeating at some point because there are only a finite number of ways, with which particles can be arranged in space and time. Our Scientists can't be sure about the shape of space-time, but most likely, it's flat and stretches out infinitely.
There is a theory on the multiverse. As per string theory, there could be higher dimensions.
We live in a world where we can travel in all 3 axis, such as X-axis, Y-axis and Z-axis. We live here, we work here and we die here. In short, we can travel and also move objects in all 3 axis. We live in a 3D World as of now.
A person or an object which is lower dimensions can be seen from higher dimensions. People who stay in the Lower Dimension cannot see Higher Dimension objects.
Theoretically, it is mentioned that, there is a singularity inside a black hole. Singularity means 'A Point'. As we move inside the blackhole we will endup at a point. That's why it is called as Singularity. Consider it as a 1-Dimension world.
When we use a paper to write or draw something then we will influence in 2D world since it has only X and Y axis. (Assume paper is on the flat surface/table/floor).
It is believed that time is also the 4th dimension factor. When we move to higher dimensions Time will be there on a separate axis along with X, Y and Z. Scientists have confirmed the existence of a fourth dimension. Sir Albert Einstein once predicted this but he could not be able to prove it. As per my knowledge, It will be the biggest physics discovery in the coming 100+ years. Also, it will change the way we view the universe.
Even in old age theories, it is mentioned that there were objects and beings who came from higher dimensions.
After the death of a being, it is believed that the soul will go to other worlds (Swarg & Narak). With whom we cannot interact. Even this concept is similar to higher dimension theory. Who knows what happens after death, and if a soul is being transferred to higher dimensions only they can interact or communicate with lower dimension beings. Lower dimension people only can experience the weird presence. Hence we assume and name that weird experience as ‘Ghost’. If I want to give a scientific or theoretical explanation to the word ‘Ghost’ means then this is the right moment to explain it.
Universal law states that matter/energy neither be created nor be destroyed but it can be transformed from one form to another form. Atoms are formed when this universe got created and it is taking one or the other form in different phases. In 1-D world it will be a single entity and in 2-D world it will get converted into something else. In 3-D world it will be converted into human bodies, living or any other dead objects. Similarly, it will get converted into many forms when it goes higher and higher.
So the soul is just a conversion of atoms from one form into another form to travel into higher dimensions. Here I can add Swarg & Narak (Heaven and Hell) are higher dimension worlds.
From all these points I can conclude that there may be chances of higher dimensions and beings from higher dimensions are exist.
After all, these concepts run inside my tiny head, and some concepts which I read/heard from different theories. I just posted my opinion here and if anyone asks for the proof, boom.. I don't have them. So please do not take this personally, just go through this again and again and post your comments/views here. If you feel I am wrong then suggest me, share your thoughts even I will improve my knowledge. I am open to all your suggestions.
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