Just something I thought... If gravity moves instantly, why does gravity "fade out" the further away it get's. I mean Jupiter pulls on us, if I jump Jupiter pulls me up or down or whatever, but because it's so far away and our own earth so close, we will not feel it, if it's even there. If it traveled instantly it has to have resistance in some way.

Also if you pull a rope two ways, and you release one end it won't instantly move sideways. The rope has a mass wich has to gain some speed first wich needs a force (you) and energy. It takes time for the rope to actually start moving.

Another thing, Einstein and a lot of other people based these theories on their experience, thoughts and test. They're still theories though. Something is true if it's not not true and you never know that for sure. It also could just be a big mess of nonsence. Who made the idea of a forth, fifth etc. dimension. Who says that even exists. Do we have prove that we live in a three dimensional world anyway. If time is a forth dimension something and we experience it in this dimension, then mass has to be in higher dimensions to. If you think about it a bit it's almost stupid to call length or hight a dimension. Of course there have been many test and experiments. Somehow people got some effect in the 9th dimension or something.
Maybe it's just a weird idea of humans. Also if you make a list of dimensions like this :
dimension 1
dimension 2
dimension 3
what would be here:
dimension 1,1 dimension 1,2 dimension 1,3
dimension 2,1
dimension 3,1
or even in a "third" dimension etc. etc.

Just some thoughts of me... hope it made some sence

Neel