The idea that time can be warped was proposed by the great German-born physicist Albert Einstein.
A time warp can be thought of as anything that disrupts the flow of time by either it making it go faster or slower.
In fact, if you were able to somehow place a clock close to a black hole and observe it from far away, you may notice that it would appear to tick more slowly than your own watch or another clock that was next to you. This effect is known as gravitational time dilation and it results from distortions in space-time.
But aside from massive objects warping space-time, there are other theoretical phenomena which could produce similar effects. One of these are wormholes—theoretical tunnels that link two points in space-time, potentially creating shortcuts which matter could pass through almost instantaneously. Another possible type of time warp could arise from a theoretical concept known as “cosmic strings,” first proposed by Princeton astrophysicist Richard Gott in 1991. According to his hypothesis, these string-like objects—which may be found throughout the universe—are almost like one-dimensional analogues to black holes. They are essentially, infinitely thin, but stretched out.
“You might think that if you could go faster than the speed of light, you would see time reverse direction. But there is no way we can go faster than the speed of light,” the astrophysicists said. “So that won't work. However, in general relativity, the trick we will try to use is to use curved-space time to take a short cut between two points to go faster than light. If we're clever, we can use this to travel back in time.
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