All We Need to Know about Quantum Entanglement

Almost all physicists working on quantum gravity are now saying that space-time is emergent, not fundamental. If space-time is emergent, what does it mean? Since space-time could not exist before the emergence of space-time, the emergence of space-time means that there is another layer in the universe below the layer of space-time where there is no space-time, and from which layer space-time has emerged. If two points can be taken at the layer of the universe where space-time is real, then there will be some distance between those two points.

Natural-Supernatural

Thanks to scientists we now know that massless particles have some strange properties. Time stops completely in the case of massless particles, and massless particles do not have to travel any distance at all, as all distances in their case shrink to zero. For example, for massless particles the distance from one end of the universe to its other end is zero. So massless particles can be present at both ends of the universe at the same time. What are these properties of massless particles to be called? Are they to be called natural characteristics, or supernatural characteristics?

A new argument for the relativity of space and time

If there is a God, and if that God is omnipresent, then God being omnipresent will be present at each point of the universe at the same time. Let's assume for the sake of argument that the universe is infinite, so the distance from one end of the universe to its other end will also be infinite. But for God, this infinite distance will not remain an infinite distance, it will amount to zero distance, since God will be present at both ends of the universe at the same time. But to us human beings, this infinite distance will remain an infinite distance.

Time-energy uncertainty relation shows the universe is everlasting

Heisenberg’s time-energy uncertainty relation is given by the below equation:
Δt ΔE ≥ ℏ/2

While commenting in a blog by German physicist Sabine Hossenfelder, another physicist has written the following in one of his comments in the comment section:
“Small ΔE means long lifetime.”1

My starting point will be this: Small ΔE means long lifetime.

If small ΔE means long lifetime, then, what will have to be the lifetime if ΔE is to be zero?

We have already seen that Δt ΔE ≥ ℏ/2.

Why spacetime is not fundamental

Now, we all know that spacetime is not fundamental, because physicists are saying so. But, do we know the reason why spacetime cannot be fundamental?

This is a physics question as well as a philosophy question.

If we say that X is a fundamental ingredient of the universe, then we will have to admit that whatever will exist in it, will need X for its existence. Nothing can exist without it.

However, if there is something in the universe that does not need X for its existence, then X cannot be called a fundamental ingredient of the universe.

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