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QuantumTheory
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OK, I made another post on this, being too sure of myself that I knew this the answers. This is the wrong thing to do on a forum when everyone else knows more than you
So, I'll try to make it more reasonable this time.
Doesn't general relativity allow the *theortical* possibility of time travel? I'm not saying it's practical, in fact, some people say the paradoxes (grandfather's paradox, etc) prove that you can not go back into time, or change the past, etc.
I was just surprised when everyone responded and was so sure it wasn't even theortically possible. Now, don't quote me on this, but I've read several laymans books, (" A brief history of time" by stephen hawking was one) since I don't understand the complicated calculus/physics behind the textbooks. Now, I'm pretty sure he said it's theorticall possible, right?
I've always been fasinated by time travel, I know it's probably just a dream, but I know we have so much more to find about the world, so I'm trying to be optimistic here. I mean, look how far we've come in 50 years...
Now space tourism is emerging!
OK, here's why I think the laws of physics may allow it:
Don't some theorties support it? I thought general relativity did? I forgot exactly how (It's been awhile since I've read those books, (^^;;) but I was pretty sure GR was a theory that instead of gravity being an unknown force, gravity was a force that bends spacetime. Therefore, a nearby object in space (a large body, planet, etc) and when a smaller object comes, it will circle around the other planets gravitational field. This is why planets orbit, right?
Also, I heard of something in quantum physics like B-Branes or something, that may allow it to be pratical.
I just want to know why everyone here disapproves of it even being a theortical possibility (which I realize is different than being practicail), since I've read about it qutie a bit, and have gotten quite difference answers, but would like some honest answers from a scientific community.
Thank you :)
So, I'll try to make it more reasonable this time.
Doesn't general relativity allow the *theortical* possibility of time travel? I'm not saying it's practical, in fact, some people say the paradoxes (grandfather's paradox, etc) prove that you can not go back into time, or change the past, etc.
I was just surprised when everyone responded and was so sure it wasn't even theortically possible. Now, don't quote me on this, but I've read several laymans books, (" A brief history of time" by stephen hawking was one) since I don't understand the complicated calculus/physics behind the textbooks. Now, I'm pretty sure he said it's theorticall possible, right?
I've always been fasinated by time travel, I know it's probably just a dream, but I know we have so much more to find about the world, so I'm trying to be optimistic here. I mean, look how far we've come in 50 years...
Now space tourism is emerging!
OK, here's why I think the laws of physics may allow it:
Don't some theorties support it? I thought general relativity did? I forgot exactly how (It's been awhile since I've read those books, (^^;;) but I was pretty sure GR was a theory that instead of gravity being an unknown force, gravity was a force that bends spacetime. Therefore, a nearby object in space (a large body, planet, etc) and when a smaller object comes, it will circle around the other planets gravitational field. This is why planets orbit, right?
Also, I heard of something in quantum physics like B-Branes or something, that may allow it to be pratical.
I just want to know why everyone here disapproves of it even being a theortical possibility (which I realize is different than being practicail), since I've read about it qutie a bit, and have gotten quite difference answers, but would like some honest answers from a scientific community.
Thank you :)