Everybody in research institutes wants to do some sort of research in nanotechnology or at least wants to say he/she is doing on nanotechnology, because they seem alighted by saying so, or funds are made available. In many cases macro is claimed as nano.

In fact, a nanometer is about ten thousand times smaller than the thickness of a human hair. Many people claim that nanotechnology deals with and manipulates anything that occurs within the range of 100 nanometer.

Scholars of chemistry physics, chemical technology, engineers, metallurgists,, material scientists and manufacturing technologists are engaged in nanotechnology, The term Nanotechnology is also often used to describe the interdisciplinary fields of science devoted to the study of the nanoscale phenomena utilized in Nanotechnology. But nanotechnology is an extension of the field of materials science. Materials science departments at colleges and universities around the world are leading the way in current nanotechnology breakthroughs. From the abundant publications available it is very clear that nanotechnology is the creation of functional materials, devices and systems through control of matter on the nanometer length scale (1-100 nanometers), and exploitation of novel phenomena and properties (physical, chemical, biological, mechanical, electrical, etc.,) at that length scale.

There are more than 1000 items claimed as nanotechnogy based products in industry, but many of the claims are not really validated as nanotech products. Every day surprising products of nanotechnology are published as news items, whether they are finding the lime llight or not is not known clearly, but breakthroughs in medical field particularly for the treatment of cancer deserves attention.

People have started talking about safety of human and environment in as much as new items of nanotech materials are published. But really a scientific and technical revolution has just begun based upon the ability to systematically organize and manipulate matter at nanoscale and hope it will pay off within the next 10-15 years. No doubt, the future benefits that nanotechnology research could serve include advances in telecommunications, information technology, healthcare and pharmaceuticals besides improved living standards.