Nanotechnology is currently experienced since 10 years and is growing exponentially. It is defined as the manipulation of structure, device and hardware systems at the nanometer scale. The advantage of this kind of technology is like the one we saw in this report. It is cross-cutting a lot disciplines such as medicine, electronics, optics, biotechnology…
Some experts agree that by 2015, the market would be more than 1000 billion, which leads to a real craze worldwide. Considering as a big revolution, there is two types of visions. An optimistic point of view, that asks to the benefits of this technology in our daily lives and in our relation with the environment. Then the pessimistic point of view, that asks to the limits of this technology and possible nuisance to humans and the environment if we do not control the technology.