Theories on reversing the aging process and reviving people from cryogenic freezing.
Plans to colonize Mars.
Victorian science fiction; limitless energy; telepathy; invisibility.
Technology can transform the human body to perform beyond normal limitations with artificial limbs and genetic re-engineering.
New/faster methods of transportation; flying cars; underground trains; possibility of teleportation.
Spaceships differ from the concepts of early science fiction, though the possibility of time travel becomes increasingly real.
Advances in artificial intelligence have led to the possibility that robots may someday be smarter than their creators.
Astronauts, researchers and scientists discuss the possibility of aliens.