Science
Time Travel Theoretically Possible Without Leading To Paradoxes, Researchers Say – NPR
In the peer-reviewed journal article, University of Queensland physicists say time is essentially self-healing. Changes in the past wouldn’t necessarily cause a universe-ending paradox. Phew.

A dog dressed as Marty McFly from Back to the Future attends the 25th Annual Tompkins Square Halloween Dog Parade in 2015. New research says time travel might be possible without the problems McFly encountered.
Timothy A. Clary/AFP via Getty Images
“The past is obdurate,” Stephen King wrote in his book about a man who goes back in time to prevent the Kennedy assassination. “It doesn’t want to be changed.”
Turns out, King might have been onto something.
Countless science fiction tales have ex…
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