Material Choices - Nanotechnology


In modern times nanotechnology has become increasingly important. It has many uses from developing sports equipment to medical applications. There are however some concerns about its use.


The use and control of tiny matter is called nanotechnology. The tiny matter is referred to as nanoparticles. These particles are measured in nanometres (nm). A nanometre is one billionth of a metre (0.000 000 001m). Nanotechnology is concerned with the use and control of structures that are 1-100 nanometres in size. Some of these nanoparticles occur naturally, for example in volcanic ash. Some occur by accident, for example during the combustion of fuels. Many occur by design.

Properties of Nanoparticles

Nanoparticles of a material show different properties compared to larger particles of the same material. Forces of


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