1. Nanoscience and Nanotechnologies: Opportunities and Uncertainties (The Royal Society and The Royal Academy of Engineering, 2004);
http://royalsociety.org/policy/publications/2004/nanoscience-nanotechnologies
2. Brave new world or miniature menace? Why Charles fears grey goo nightmare. Royal Society asked to look at risks of nanotechnology. The Guardian (2003);
http://www.theguardian.com/science/2003/apr/29/nanotechnology.science
3. Prince warns of science 'risks'. BBC News (2004);
http://news.bbc.co.uk/2/hi/uk_news/3883749.stm
4. Roco, M. C. J. Nanoparticle Res. 5, 181–189 (2003).
5. Joy, B. Wired 238–262 (April, 2000).