Marty McFly and Doc Brown may have traveled back in time and slightly altered their futures in the "Back to the Future" series, but a newly published study suggests paradox-free time travel is "theoretically possible."
The research, published in Classical and Quantum Gravity, suggests that if time travel were possible and a person changed events in the past, the future would eventually correct itself so the paradox does not exist.
“The maths checks out – and the results are the stuff of science fiction,” the study's co-author, University of Queensland professor Fabio Costa, said in an interview with the university.
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