An exciting topic, no doubt.
Yet, now some know-it-all — or might-even-in-the-past-have-known-it-all — physics student named Germain Tobar, from the University of Queensland in Australia, has decided to ruin everyone’s fun — and confidence — by calculating that you could (after all) go back in time and not suffer any ill effects by killing your own grandfather.
A Physicist Has Come Up With Math That Makes ‘Paradox-Free’ Time Travel Plausible
www.sciencealert.com | 26 September 2020 | David Neld
We might get there one day – Stephen Hawking certainly thought it was possible – and if we do then this new research suggests we would be free to do whatever we wanted to the world in the past: it would readjust itself accordingly.
“Try as you might to create a paradox, the events will always adjust themselves, to avoid any inconsistency,” says Costa. “The range of mathematical processes we discovered show that time travel with free will is logically possible in our universe without any paradox.”
The research has been published in Classical and Quantum Gravity.
Really. I’m guessing that’s not an easy magazine to get published in. And it seems, from the article, that Einstein helped this guy’s argument.
I won’t bore you with my encyclopedic understanding of all the math involved, but suffice it to say:
How soon do I get to kill Baby Hitler or Baby Marx? Because an election is coming up, and I’ve got a lot of votes to change.
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