Simply technique do.
Using our 500-light-year planet example, Gott predicts that the steady acceleration of 1g up to near light speed would increase the aging of the time traveler to 24 years, “but you would still get to visit Earth in the year 3000,” says Gott.
To create a vehicle with these specifications would require a lot of time, resources, and money. But the same can be said for other massively ambitious experiments, like detecting gravitational waves and building the Large Hader Collider. A time machine could be the world’s next scientific megaproject.
The Trouble of Going in Reverse
But there is one big caveat to this theoretical portrait of real-world time travel—this machine doesn’t go in reverse. While Bill and Ted travel to the past to pick up Socrates with relative ease, in reality scientists and researchers need to find a way to circumvent the rules of physics in order to travel back in time.
Wormholes, black holes, cosmic strings, and circulating light beams have all been suggested as potential solutions for time-traveling to the past. The main challenge that astrophysicists are grappling with is figuring out is how to beat a light beam to a point in spacetime and back.
The technologies are not to far away approximately twenty years from now.....
Since the speed of light is the absolute maximum, physicists are concentrating on finding phenomena like wormholes, which could provide tunnel-like shortcuts that jump across curved spacetime and, in theory, beat a light beam to a particular point in spacetime.
While wormholes do work within the confines of Einstein’s theories of relativity, they have yet to be observed in space, and scientists have no concrete evidence that these galactic shortcuts would even work.
An artist rendering of a black hole ripping apart a star. NASA. So while time traveling to the past may be the more exciting concept, scientists are much more likely to fling someone into the unknown future rather than the well-trodden past. But despite overwhelming odds—fiscal and scientific—Mallet believes the future of a time-traveling society is possible.
“What happened with going to the moon...we wanted to go there, Kennedy asked for it, and there was proper funding so we got there within a decade,” Mallet says. “The technology isn’t far off. If the government and taxpayers wanted to pay for it, we could do it in the next twenty years.”
To create a vehicle with these specifications would require a lot of time, resources, and money. But the same can be said for other massively ambitious experiments, like detecting gravitational waves and building the Large Hader Collider. A time machine could be the world’s next scientific megaproject.
The Trouble of Going in Reverse
But there is one big caveat to this theoretical portrait of real-world time travel—this machine doesn’t go in reverse. While Bill and Ted travel to the past to pick up Socrates with relative ease, in reality scientists and researchers need to find a way to circumvent the rules of physics in order to travel back in time.
Wormholes, black holes, cosmic strings, and circulating light beams have all been suggested as potential solutions for time-traveling to the past. The main challenge that astrophysicists are grappling with is figuring out is how to beat a light beam to a point in spacetime and back.
The technologies are not to far away approximately twenty years from now.....
Since the speed of light is the absolute maximum, physicists are concentrating on finding phenomena like wormholes, which could provide tunnel-like shortcuts that jump across curved spacetime and, in theory, beat a light beam to a particular point in spacetime.
While wormholes do work within the confines of Einstein’s theories of relativity, they have yet to be observed in space, and scientists have no concrete evidence that these galactic shortcuts would even work.
An artist rendering of a black hole ripping apart a star. NASA. So while time traveling to the past may be the more exciting concept, scientists are much more likely to fling someone into the unknown future rather than the well-trodden past. But despite overwhelming odds—fiscal and scientific—Mallet believes the future of a time-traveling society is possible.
“What happened with going to the moon...we wanted to go there, Kennedy asked for it, and there was proper funding so we got there within a decade,” Mallet says. “The technology isn’t far off. If the government and taxpayers wanted to pay for it, we could do it in the next twenty years.”
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