This the paradox where you go back in time and fuck your grandfather, right?
No, it’s the one where you fuck your grandmother because the man you thought was your grandfather was an in-the-closet homosexual. Then you produce your father, who then produces you. But you’ve got to travel 1,000 years into the future and hook up with a hot but socially awkward cyclops mutant before you can do any of that.
I did do the nasty in the past-y.
I did do the nasty in the past-y…
Fry you dope
This is bullshit.
Says the random person on the internet in response to the quantum physics professor who says otherwise.
I take it you did not read the article.
I did, actually. So, what makes it “bullshit?”
You violate causality, you better bring more than some popsci bullshit to the table.
And you’re the arbiter of what constitutes “popsci bullshit” rather than the quantum physics professor? Such hubris.
Removed by mod
In my experience, people with rational reasons for rejecting claims can articulate said reasons, rather than simply calling them bullshit and telling other people to fuck off. I’m not convinced of the article’s claims, but I’m also not convinced you know what you’re talking about either. The difference is that the article admits its claims are speculative and hypothetical, while you’re just slinging insults.
Rejecting causality IS the rational reason. It is you who is irrational. When one scientist brings forth a claim that breaks ALL of physics, with ZERO empirical evidence support such an astounding theory, it is not the ones who doubt that are likely to be wrong.
It read to me like they provided a reason for denying causality though: that the associative breakdown in entropic state suggests causality can be violated. I don’t have the expertise to evaluate that claim, but if you do, why don’t you just explain to me why it’s wrong? Or is that demanding too much of a random person on the internet?
By reasoning, and through use of quantum statistical mechanics, Gavassino shows the time tourist’s own entropy can’t continue to grow as they ‘go back’, with quantum fuzziness effectively canceling expected disorder to create a parallel entropic timeline that begins and ends at the same points.
Entropic arrow of time (gray arrows) flipping between entry and exit points of a closed timelike circuit. (Gavassino, Classical and Quantum Gravity, 2024)
What would that look like for the contents of the temporally looped spaceship? Processes that we might expect to be linked to entropy would necessarily change, potentially reversing.
Circling back to a spry young grandfather courting your grandmother the first time, the time loop could make his untimely death reversible; your memory of why you ever wanted to murder him in the first place may be erasable. In other words, all bets are off in a closed loop where quantum physics smoothes out any intrusive entropy
Is there a translation for Community College grads?
Translation: following time travel, everything resets to exactly as it was before time travel.
Not exactly groundbreaking, considering this is assumed by the premise of a closed timeline curve.
I don’t remember murdering my grandfather. Trust me, if you’d known him, it would have been on your bucket list too.
A quick skim of what you copied makes me think of Steins;Gate lol
I thought there was an understanding of infinite timelines already. You can never change your past. As soon as you do, it is no longer “your” past. It is now another you’s past. That’s why time travel is useless unless it’s not you changing your past.
That hasn’t been proven yet. All of this shit is still theoretical. AFAIK, time travel into the past isn’t possible in our current understanding of physics.
Or it’s a recording and we can view it but not interact.
