There's Plenty of Room at the Bottom: An Invitation to Enter a New Field of Physics - Richard P. Feynman

Why the future doesn't need us - Bill Joy

The Ethics of Nanotechnology - Andrew Chen

Federal Involvement in Nanotechnology: An Overview - Carl Picconatto, MITRE Corporation (PDF presentation, 4.4MB)

What Kinds of Science Should Be Done? - Philip Kitcher, Columbia University Department of Philosophy (PDF, 140K)