The Universe > Season 5. 08/19/2010
One of the Universe’s most enduring mysteries is Time Travel.
In this episode, we explore the possibilities. Discover why Time Travel into the future is unavoidable in the Einsteinian world of Relativity.
As for the past… the laws of physics do not tell us it’s impossible, but the bizarre consequences of going into the past and altering the future make for mind-bending science.
the arrow of time
Carl Sagan: Contact
Large Hadron Collider
warp drive; warp bubbles
dark energy as a power source
closest star: Alpha Centauri (4.37 light years from the Sun)