Is it correct that if one takes a wormhole and plays twin paradox with it -- i.e., leave one mouth stationary and run the other out and back at relativistic speeds -- one has created a time machine? To be concrete, if one creates a wormhole, leaves one mouth in the Solar System, and travels at .86c away for a century and back for a century, is there now a time bridge between 50 years from present and 100 years from present?
If there were some sort of condition on the wormhole to prevent transfer of information faster than c -- say, if for every light-year one travels through the wormhole, one is deposited a year ahead in time -- would it still be possible by taking one mouth on a trip to create a time machine?
Wormholes and time travel
Moderator: Alyrium Denryle
Wormholes and time travel
A Government founded upon justice, and recognizing the equal rights of all men; claiming higher authority for existence, or sanction for its laws, that nature, reason, and the regularly ascertained will of the people; steadily refusing to put its sword and purse in the service of any religious creed or family is a standing offense to most of the Governments of the world, and to some narrow and bigoted people among ourselves.
F. Douglass
Yes, I know; I'm fairly certain the physics behind creating a time bridge by playing twin paradox with the mouths of a wormhole is solid. I'm more curious if you can mess with wormholes that already connect through time.Hawkwings wrote:That's the plot (well, part of it) of the book Ring, by Stephen Baxter. It sounds reasonable, but...
A Government founded upon justice, and recognizing the equal rights of all men; claiming higher authority for existence, or sanction for its laws, that nature, reason, and the regularly ascertained will of the people; steadily refusing to put its sword and purse in the service of any religious creed or family is a standing offense to most of the Governments of the world, and to some narrow and bigoted people among ourselves.
F. Douglass
There is actually a book called Blackholes and Time Warps which spends a very good portion of itself dealing with this. I highly recommend reading it. It's very well written and very very good.
'After 9/11, it was "You're with us or your with the terrorists." Now its "You're with Straha or you support racism."' ' - The Romulan Republic
'You're a bully putting on an air of civility while saying that everything western and/or capitalistic must be bad, and a lot of other posters (loomer, Stas Bush, Gandalf) are also going along with it for their own personal reasons (Stas in particular is looking through rose colored glasses)' - Darth Yan
'You're a bully putting on an air of civility while saying that everything western and/or capitalistic must be bad, and a lot of other posters (loomer, Stas Bush, Gandalf) are also going along with it for their own personal reasons (Stas in particular is looking through rose colored glasses)' - Darth Yan
Kip Thorne's book? Yes, I've read it, though it's been many years. I was more curious about a wormhole that already falls through time; can it be "corrected"?Straha wrote:There is actually a book called Blackholes and Time Warps which spends a very good portion of itself dealing with this. I highly recommend reading it. It's very well written and very very good.
A Government founded upon justice, and recognizing the equal rights of all men; claiming higher authority for existence, or sanction for its laws, that nature, reason, and the regularly ascertained will of the people; steadily refusing to put its sword and purse in the service of any religious creed or family is a standing offense to most of the Governments of the world, and to some narrow and bigoted people among ourselves.
F. Douglass
-
Agent Fisher
- Rabid Monkey
- Posts: 3671
- Joined: 2003-04-29 11:56pm
- Location: Sac-Town, CA, USA, Earth, Sol, Milky Way, Universe
-
Singular Intellect
- Jedi Council Member
- Posts: 2392
- Joined: 2006-09-19 03:12pm
- Location: Calgary, Alberta, Canada
-
FSTargetDrone
- Emperor's Hand
- Posts: 7878
- Joined: 2004-04-10 06:10pm
- Location: Drone HQ, Pennsylvania, USA
To get back on topic:
Possibly.
One interpretation is that the time-dilated end of the wormhole is in the past, and passing through it is time travel.
Another interpretation is that, while the time-dilated end is younger, that doesn't change the fact that it's still in the present, so there's no effective difference to a "normal" wormhole.
(Personally, I favor the second, of course.)
Possibly.
One interpretation is that the time-dilated end of the wormhole is in the past, and passing through it is time travel.
Another interpretation is that, while the time-dilated end is younger, that doesn't change the fact that it's still in the present, so there's no effective difference to a "normal" wormhole.
(Personally, I favor the second, of course.)