Is "Looper"-like Time Travel Possible? Scientists Say Maybe

Is "Looper"-like Time Travel Possible? Scientists Say Maybe | Physics of Time Travel | LiveScience: "Time travel is a staple of science fiction, with the latest rendition showing up in the film "Looper." And it turns out jumps through time are possible, according to the laws of physics, though traveling into the future looks to be much more feasible than traveling into the past."