  There is already a significant time, but it gives the sensation of extremely
short,nanotechnology has become one of the most promising scientific hopes in
innumerable human domains. Now the hope become reality. Countless scientific
studies in several areas of knowledge have been made since the nanoscale
emergence, carrying their contribution to the nanoscience development. The
recent research in this field allowed the union of interests among several
areas, such as physical sciences, molecular engineering, biology, biotechnology
and medicine for example, contributing to the investigation of biosystems at a
nanoscale. In this work begin discussing nanotechnology in a general way. Then
nanotechnology and the applications in industry, in electronics and in medicine
are presented and some discussion is proposed in order to define the boundaries
for the advances on those areas. In the end, nanotechnology is discussed in
terms of ethics and in terms of the borders that nanotechnology applications
must satisfyand concluding notes are presented, highlighting the results of the
analysis. Important considerations are made about the close connection between
ethics and the nanotechnology and the effects over the society and values. Some
future directions for the research are suggested.
