What will your grandchildren's world be like? Will they share similar hopes and dreams?
Will they drop their children off at local public schools then take them to soccer practice in the afternoon, or will they attend an online class with children thousands of miles away?
Will they pledge allegiance to the flag of a nation, or identify with ideals of an internet community?
What will keep machines as our servants when they are superior to us in intellect and strength?
Cybernetic implants will make us stronger and smarter. Implants will replace good limbs and organs, not just the missing or diseased ones. At what point will we cease to be human?
Will time travel ever be possible? Can a time machine be made that will not create a paradox or an alternate history?