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Could we actually detect a wormhole, if they do exist?

Don't remember what they suggested using though

I don't think there are any stable wormholes. Maybe they can come to be some short instant but they should collapse immediately. the only way to keep one 'open' seems to be if you could 'coat' its 'inside' with something strong enough (a 'force') to stop it from collapsing on itself, I saw some such idea somewhere I'm sure?Don't remember what they suggested using though, but whatever it was it made no sense as you should be crushed to smithereens trying to travel such a thing anyway.If you think of how Einstein used the concept of 'geodesics' to present the idea of a 'wrinkled' 'SpaceTime' though Expending energy you can break loose from those 'geodesics' light takes and so shorten the journey. ´But looking at space 'naievly' that would not shorten the 'distance' from A to B, as it would seem as the shortest line anyway in a Newtonian 'space', as I understands it.

Well, exotic matter is just like ordinaty matter except for one fundamental difference, and that is it is an antigravity substance. It's just as real and just as tangible as all other matter. Large amounts of it however are rare.

So yes, we can make [exotic matter] in the lab; we cannot harvest it though, to any practical needs however.

It's just as real and just as tangible as all other matter

it's a part of experimental fact

So yes, we can make this stuff in the lab

I hate to state the obvious, but negative matter is a negative energy -Mc^2

I asked you if ''do you really find the tangibility of negative matter different to ordinary matter?''I found your objection to this, interesting and surprising.

There is nothing in the equations which suggests that the mass is not real (not in the mathematical sense)

Quote from: QCThere is nothing in the equations which suggests that the mass is not real (not in the mathematical sense) Is this another case of mathematical "reality" not necessarily being the same as physical reality?