Nanotechnology: The Future is Coming Sooner Than You Think
A Joint Economic Committee Study, U.S. Congress. Prepared by Joseph Kennedy, chief economist. March 2007.

This paper discusses the range of sciences currently coveredy by nanotechnology. It begins with a brief description of nanotechnology and delves into putative future development of different technologies in a plethora of fields.

Link to pdf
http://www.house.gov/jec/publications/110/nanotechnology_03-22-07.pdf