>> when you ask, if you look back historically, many of those things have not happened. you know, the '50s, people thought we were going to have jettison like cars that would fly. >> we'll still have those, just 50 years later. >> why do you think this is different? why do you think these things are different? >> the claims we're making are straight forward extrapolations of work that is going on now in labs. educated guesses based on trends that have continued for a very long time. if you go back to 10 to 15 years ago, the predictions about the arrival of the internet, the impact of personal information and so forth have all, in fact, come through. >> is the united states the center of the world for this stuff? >> for the moment. there's evidence that asia will get there. the number of engineers being produced in asia and the commitment of education in asia the connectivity in asia are all catching up, and eventually it's a numbers game and there are