I understand the fundamental functioning of a wormhole, just take a sheet of paper representing space time, and then fold it to make a hole with a pencil, so there you go, you have a faster passage to the other side of the sheet. However, what I don’t understand is how exactly space-time folds to allow for this passage. I always thought that space was something flat that has leveling according to the mass of stars and planets, so how exactly is it folded up allowing it to pass through a wormhole?
In: Physics
Space is flat, at least the part around here is. However, that’s like standing in a parking lot and determining the Earth is flat. There could be places in the mountains or the ocean where there are deep channels that connect one place to another place.
On a small scale, humans make these, they are called tunnels.
The tunnels humans make are 3D, just like the mountains, because the Universe is very, very flat around here. It could also be that the Universe has more than 3 spatial directions, many string theories depend on this. Perhaps around here, three are flat and all the rest are tightly curled at a sub-atomic scale. In some other place, our three flat ones might have a different shape and other dimensions might be flat. If that’s a thing, and you can go to one of those places (for cause one of them to form) then you might find exceptions where a small movement in a new dimension brings you to a place that’s far away in our regular 3. The line between physics theory and science fiction is thin in this area.
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