Originally Posted by deafskeptic

And is this realistic to build such a prison given our current technology and how far are we from developing this technology? 10 years from now? 15 years from now? Never?

What you propose seems a bit too futuristic and perhaps a bit unlikely. I recall reading some 1950 stuff of how we would have robots who did our homework. I think the Jetsons are a prime example of this 1950s vision of the future. Did that future ever happen?