Let us take gravity. Gravity, the force, exists.
That thing produced by mass doesn't.

An electric force keeps the planets chasing the sun.
Gravity is not involved in that at all.

So, the formula that Newton made up works... but not because of masses attracting.

And then Einstein modified that formula... which is also completely wrong...

We do not know if light takes 8 minutes to reach the earth.
This is only a computation built on a lot of assumptions.
And half of them i know are wrong.

It doesn't matter if you believe or not, it will become science soon.

Like we didn't know bacteria existed, then a microscope was invented, now we know.

These fields, science has discounted.
And so, it will be a long time before they are really worked on and some theories come out about how to work with them.

The Michelson - Morley experiment "disproved the aether"
That is what the science books say. But they didn't. They only chose one explanation of how aether worked, and set out to prove/disprove that one. There are many, many more explanations/theories.

They also found something, and called it nothing. The worst science ever.

So, we have to go back to the start, work out aether theories, work out how the aether works, and learn again.

Teleportation is not anything like Star Trek. It is a displacement of location. There is no disappearing and reappearing. You are just, in the now, here.

There is a galactic internet. You can imagine it works like our ethernet works.
But, it is much faster and everywhere and everyone talks/communicates on it at once.
And it is not so much like sending out a pulse, like we do with voice, or electric impulses. It is just everywhere in the universe after you send it