Researchers in China have proposed a theory explaining why time moves only forward. Scientists from Hainan University in southern China proposed a new theoretical framework that sheds light on this ...

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

Predestination doesn’t waste time trying to explain the time travel technology, and it doesn’t need to, because it’s so coherent and straightforward, you naturally see that it makes sense right away.