I'd recommend one of my favorite web sites: http://www.centauri-dreams.org/ http://www.centauri-dreams.org/ It has serious discussions about e.g. http://en.wik

I'd recommend one of my favorite web sites: http://www.centauri-dreams.org/ http://www.centauri-dreams.org/ It has serious discussions about e.g. http://en.wikipedia.org/wiki/Project_Daedalus http://en.wikipedia.org/wiki/Project_Daedalus Edit: Recent discussion about Project Icarus from a conference: http://www.centauri-dreams.org/?p=14513 http://www.centauri-dreams.org/?p=14513