In a piece written for the University of Sussex by astrophysicist John Gribbin, co-authored with his wife Mary Gribbin, they say that “there is nothing in the laws of physics to prevent time travel.
“It may be extremely difficult to put into practice; but it is not impossible.”
Sci-fi fans...
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https://skpsoft.com/science/time-travel-is-possible-and-black-holes-hold-the-key-science-news/
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