With a combination of general relativity, quantum mechanics, and thermodynamics, the study suggested that time travel might ...

Is it possible according to science? Explore the theories, paradoxes, and real-world concepts behind time travel.

Moreover, attempts to model time-travel paradoxes can yield surprising discoveries relevant to other domains, such as the thermodynamics of black holes, the structure of quantum fields ...

Remember that the laws of physics tell us what is possible, not what is practical ... cosmic symphony that may encompass time travel, higher dimensions, quantum superspace, and parallel universes ...

NOVA: Do you think that backwards time travel will ever be possible? Hear Sagan via RealAudio ... and it cannot be known until we have a full theory of quantum gravity, which we do not seem ...

Time travel has long been a topic of science fiction, filled with thrilling possibilities and mind-bending problems. The most famous of these problems is the "grandfather paradox". If someone travels ...

But, although it sounds like pure science fiction, physicists now believe that time travel really is possible. In fact, scientists say that people have already done it. But, before you start to ...

Einstein’s general relativity predicts the existence of closed timelike curves—space-time loops allowing theoretical travel back to ... understanding of entropy, quantum mechanics, and the ...

These scenarios might sound like science fiction, but they can all be made possible ... quantum sensors are extremely good at detecting even the smallest changes in things like time, gravity ...