Yep. It is theoretically possible to send information backwards.
https://www.pbs.org/wgbh/nova/next/physics/retrocausality-could-send-information-back-to-the-future/
Yep. It is theoretically possible to send information backwards.
https://www.pbs.org/wgbh/nova/next/physics/retrocausality-could-send-information-back-to-the-future/
Q If retrocausality is real plz send me a sign from the future