2of5 — The Universe – Space Travel
All 5 Parts of – The Universe – Space Travel – www.youtube.com First Aired: 2/5/2008 When man finally broke free of the Earth’s gravitational pull the dream of traveling to other planets became a reality. Today scientists are proposing a bizarre array of technologies in the hope of traveling faster through space, from space craft sporting sails that catch laser beams, to propulsion engines powered by a bizarre entity known as anti-matter.