Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time

A renowned astrophysicist leads time travel out of the land of science fiction and into the realm of possibility with an exciting new theory about the origin of the universe.

Travel to the future is not only possible but has actually happened, according to J. Richard Gott - astronauts have aged slightly less than we whose feet have stayed solidly on earth. And could we travel to the past, given certain physical conditions? J. Richard Gott gives readers a guided tour of potential ways of travelling through time. He also predicts the span of human existence, based on a new scientific technique.