Nanotechnologies: Yesterday, Today, Tomorrow

A.L. Aseev

Today the word “nanotechnology” has become a catch phrase for a broad range of activities all sharing a common feature, namely, ultra small linear dimensions of objects whose size does not exceed a hundred nanometers. If interpreted this way, nanotechnologies have been in use since the early times. For example, when making cheese, protein ferments extracted from the Ruminantia abomasum were used. Stained glass of the medieval cathedrals owes its bright colors to ultradisperse metal particles dozens of nanometers in size formed when metal compounds were added to the melting glass. However, it was only about ten years ago or less that the development and application of nanotechnologies started. For this reason, without any hesitation nanotechnologies can be called the “technologies of the 3rd millennium”

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