Back to the Future. Doctor Who. Futurama. LOST. Fiction loves to use time travel as a vehicle for storytelling, but one pesky topic arises that leads some to believe that time travel is impossible: paradoxes.Time travel isn’t just in the realm of science fiction. Last week, when discussing the plausibility of five fictional means of faster than light travel, we mentioned that wormholes are theoretically possible, according to physicists – their existence is invoked when solving equations in Einstein’s theory of general relativity. And the fun thing about wormholes is that, in our four-dimensional universe of space and time, they can transport you to another location just as easily as another era…

read more 5 Time Travel Paradoxes That Will Induce Headaches | For Science! | The Escapist.