Science fiction without the science just becomes, you know, sword and sorcery, basically stories about heroism and not much more.
Michio KakuTechnologies that may be realized in centuries or millennium include: warp drive, traveling faster than the speed of light, parallel universes; are there other parallel dimensions and parallel realities? Time travel that we mentioned and going to the stars.
Michio KakuIf you could meet your grandkids as elderly citizens in the year 2100 … you would view them as being, basically, Greek gods… that's where we're headed.
Michio Kaku