Time Travel: Is It Possible? Do Time Machines Already Exist?

Time travelling and time travel machines have been a topic of science fiction and countless movies for many decades. In fact, it appears that the possibility to travel in time, either into the future or into the past, has appealed to the imagination of mankind for centuries. While many may think it is absurd to believe that we could travel back or forwards in time, some of the world’s most brilliant scientists have investigated whether it could one day be made a reality.