Currently we know of 4 dimensions - 3 dimensions of space and the fourth dimension of time.
There's a fifth dimension waiting to be discovered.
Let me explain.
Consider the space dimensions of x,y and z. Now let's say we know only x and y and not z. Then for every (x,y) we can have infinite values of z. So just knowing (x,y) does not fix our position space - there are infinite possibilities - one for each of the infinite values of z.
Once we know (x,y,z) we are fixed to a definite point in space. But even that does not give all the information.
Recently my kid got a stomach upset and the doctor asked what did you eat yesterday for dinner. He did not care what you ate the day before or last week. The important point was "yesterday dinner" - the time dimension.
So the party happened at hotel located at (x,y,z) - that's great !! - but when did it happen - yesterday or last year is also quite important.
Now for centuries of human science we have been arrogant enough to think that these four dimensions give us everything we need to know about an event. We know everything that an observable particle can do (an event) if we know these four dimensions of the event.
But then came around quantum physics.
To everyone's amusement there are different possibilities even after knowing all the four dimensions.
I sent an electron at a known speed in a known direction at a known time. From all the science I know - I can predict a "definite" point in space where the electron will be after a definite time.
But here it became exciting. It was'nt there !!?? Actually at times it was - but at times it was not.
Now we have decide that okay - then there is a probability of that electron being there or not being there.
But the big question is who decided that probability and how does it decide to go elsewhere. We now have mathematical equations to predict the likelihood of the electron being at different (x,y,z) locations in space after its departure from origin. Multiple possibilities in known time-space existing together at same time.
Basically what we are coming to know is that four dimensions are not sufficient. There still are multiple possibilities even if we know all the four dimensions.
But we still don't know the "why" of it.
That is the fifth dimension.
It's tending to get philosophical now. Do we need a new form of calculus or something totally different to define this fifth dimension? Can our current Math put a finger on what needs to be done to manipulate Heisenberg's probability charts?
Can we ever fully understand this fifth dimension and do away with helpless probability but get nearer to knowing the exact effect of a known cause.
Now my point here is - quite a speculative one - that our religious texts already talk about this fifth dimension - the dimension of "thought". Everything in this universe "thinks". And it's the thought that decides its future state. Many meta-physicists already are tinkering with the idea of thought as a force. In the realm of spirituality it is accepted as the all overriding single most powerful force in the universe. You can manifest whatever you want with your thoughts - they say. However what I say is that "thought" is not just a force bound to space-time like other known forces such as gravity and electromagnetism. We are unable to understand it because all our current Math assumes a four dimensional world - (x,y,z,t). It's most likely that this is not another force in the universe known to present science but then it's a dimension in itself.
When we begin to understand this fifth dimension better - we will unravel many a facts that are eluding a mathematical description - parallel universes and some more concrete postulates of quantum physics.
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