As a chemistry graduate, I just know some stuff about nanomaterials, so I can't talk confidently about the whole nanotechnology world. What I've heard is that research is still quite in the beggining, and in my opinion it will still be a long time until widespread applications are produced. Synthesis of these products is still quite expensive. But research only for the sake of knowledge is how most things start!
One thing that saddens me, though, after reading some comments: why do some people hear nanotechnology and think of chips under the skin, or hear biotecnology and think bad of it? We should have an open mind, and don't judge too quickly. After all, one of the most widespread uses of nanoparticles right now is something as inoffensive as a component in greener washing powders...
I think they won't want to push it too much. I'd like to see nanomachines at work on a television or a motorcycle though. You can basically give it the shell you want when it comes to that, no? I don't think they'll be able to control soldiers
If it doesn't turn out like Biotechnology it will be all right. I've written too many essays on the subject to say it once again. Put in simple words nanotech gives lots of promises, it's a new thing and it gets lots of hype. Don't confuse science fiction with science. Some products are already out, but no one even notices. See?
If scientists don't get ahead of themselves as they usually do, it might turn out to be a really good thing.
smaller. faster. more complicated technically but easier for user. but harder to fix if anything goes wrong. nanotechnology might save lives but also track people down like foxes, I don't know. All science is scary to me. The smaller, the easier to hide and the harder for other people to mess with. Mad professors will rule the world. Err... I'm gonna end my story here. Peace