Reports about the future science often use expressions like nanotechnology or nano-materials. What is meant by this words, and are we really facing to a new age of science by exploring this technology like often predicated? The following essay should help to find out a little overview. Nano technology means the science working in atomic order up to 100 nanometers (1nm is a billionth part of a meter).In this dimensions the properties of volume become less important, while the properties of surface are more dominating. That means materials could reveal some completely different attributes like they would usually show. For example Aluminum: Cut into nano parts, it tends to explode. There are some attempts trying to use this effect, for example as a propulsion unit in a rocket. Actually nano-technology has already been used in a lot of products since more than 40 years. Additives in many coatings and plastics consist of nano sized particles. But the �Nano Hype� which has started in the last few years concerns other opportunities than these. For example in the medical sect......

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