Marks on 18 October 2011
Society is the reason we no longer advance to be honest.
The theory of only the strong survive is now dead thanks to governments (i.e. welfare, health care, etc.)
But it seems you're just talking inventions and stuff. From your list the only realistic things are self thinking robots and cures for diseases.
Teleportation, light speed travel, finding a habitable planet all not gonna happen (at least in my lifetime)
