I suggest the book Our Final Invention, Artificial Intelligence and the End of the Human Era, by James Barrat.
In fifty years?
I expect 3D printers will be far more versatile, perhaps in virtually every home like microwaves are today. Able to print clothing, food (they can already print chocolate, pizza, pasta…), toys etc…
They say the three biggest technlogies transforming society are GNR, genetics, nanotechnology and robotics.
So look for anything in those arenas to come to pass.
We have a plasma fusion drive due to be tested in orbit next year that could get astronauts to Mars in under 40 days. Imagine colonies on the Moon and Mars, mining the asteroid belt…
Its possible. Whether it happens or not is hard to say.