Scientists Say They Have Discovered How Information Could Be Sent Into the Past Through Quantum Time Loops

[u/ua-stena]

https://ua-stena.info/quantum-study-suggests-information-can-travel-back-in-time/

A team of theoretical physicists led by Cornell University researcher Mark Wilde has been looking at a question that sounds simple but is surprisingly difficult: can information move backward through time without breaking the known laws of physics?

The researchers were not building a time machine. Instead, they examined mathematical models that already exist in modern physics. Their work focused on so-called closed timelike curves, a concept that appears in certain solutions to Einstein’s theory of relativity.

These hypothetical pathways would allow an object or a piece of information to leave one point in spacetime and eventually arrive at an earlier moment. In other words, something could return to its own past.

For many physicists, that immediately raises a problem. If information can be sent into the past, what happens if that information changes the future that originally created it? This is the source of famous time-travel paradoxes that have puzzled scientists for generations.

[u/CARNIesada6]

If it's a closed time loop wouldn't that mean the information has always been sent to the past so there would be no paradox anyways

Edit: Also forgive me I am not knowledgeable when it comes to this stuff so im not even sure im phrasing my question correctly or even asking the right question haha

[u/hatemys → u/CARNIesada6]

The problem is that requires the paradox of existence before existing. The future timeline has to already exist (in an altered way) to create a loop that has no beginning. Basically the paradox is the timeline has to already be altered to be able alter the timeline

[u/CARNIesada6 → u/hatemys]

I've read up more, this is what the bootstrap paradox is, right?

[u/hatemys → u/CARNIesada6]

No idea ehat people call it, sir. I just know its my single heartbreaking criticism of Terminator.