This article says an undergrad student from University of Queensland proved that time travel is mathematically possible due to Albert Einstein's closed time curves. So, is he really saying Albert Einstein proved time travel was possible?
https://www.msn.com/en-us/news/technology/a-student-just-proved-paradox-free-time-travel-is-possible/ar-BB19rRBM
Apparently, a closed time curve is like a loop. It goes back to its starting point. (Other definitions are welcome and encouraged).
https://www.msn.com/en-us/news/technology/a-student-just-proved-paradox-free-time-travel-is-possible/ar-BB19rRBM
Apparently, a closed time curve is like a loop. It goes back to its starting point. (Other definitions are welcome and encouraged).
