Getting to Alpha Centauri

Anti-matter engines, Bussard ramjets, particle beam accelerators, atom-bomb propulsion, light-sails: are they science fiction or emerging technologies? Geoffrey Landis, NASA physicist and SF writer, and Jordin Kare, advanced space systems consultant (and filksinger!), discuss ideas for reaching Alpha Centauri in an article posted by

And Yahoo offers a video of a quick trip to Alpha Centauri.