<p>Yeah, materials science is the way to go.
Any good flagship state U or top tech school will have some sort of research going on.
i.e: [U</a> of MN · Center for Nanostructure Applications](<a href=“http://www.nano.umn.edu%5DU”>http://www.nano.umn.edu)</p>
<p>Be responsible with your nanobots, please :p</p>