subject: What Is Nanotechnology? [print this page] Although the range of scientific endeavours that involves the use or study of nanotechnology gets bigger every year, it is difficult to find a definition which covers every aspect. In simple terms the prefix nano indicates something with extremely small dimensions and this gives us an insight into what nanotechnology is really all about. A nanoparticle size analyser using Dynamic Light Scattering technology has already been developed which can measure particles as small as