Re: [Sci.nanotech] Re: Nanotechnology Redefined


First, I would like to say that I'm updating my nanotech
dictionary/encyclopedia at nanoword.net and would be happy to consider
suggestions for alternative definitions or additional words
(appropriate credit will of course be given to authors).

Now, my definition of nanotechnology is rather vague, but then again so
is the word. Since technology is defined as applied science, it seems
reasonable that nanotechnology should be defined as applied
nanoscience. My current (and equally vague) definition of nanoscience
is:

The scientific discipline seeking to increase our knowledge and
understanding of nanoscale phenomena, i.e. science on the scale of 0.1
nm to 100 nm.
http://www.nanoword.net/library/defgen/generate.php?termid=57

One obvious aspect of nanoscience is that it is very interdisciplinary,
as the numerous techniques for dealing with the nanoscale stem from
various disciplines. Mechanical control of nanoscale processes is
certainly one approach to nanoscience (e.g. scanning probe microscopy -
http://www.nanoword.net/library/defgen/generate.php?termid=156 ), which
are usually in the hands of physicists and engineers. John S. Novak,
III pointed out several other types of nanotechnology (nanoelectronics,
nanobiology, nanoparticles), which involve biological and chemical
approaches.

In addition to the mechanical approaches, another general and often
used approach to nanoscience is self-assembly
(http://www.nanoword.net/library/defgen/generate.php?termid=91). This
is especially true in the case of nanoparticles and nanobiology. In
that approach, some components (e.g. atoms, compounds or nanoparticles)
are usually mixed together under various conditions. The results are
observed with the appropriate nanoanalytical method (e.g. a microscope
with nanometer resolution). The parameters are then adjusted and the
process repeated until the desired structure is constructed. This
approach to nanoscience is rather haphazard, but once the appropriate
paramaters are found, atomic precision can be reached over macroscopic
scales.

Of course, it is often necessary to use both of these approaches to
answer a particular question in nanoscience.

- Steve

ed ehrat schrieb:

> Steve, I'm afraid that is a little too vague. The "control processes" allows
> the current conundrum. I consider the "classic nanotechnology" as the specific
> manipulation of nanoscale materials and/or processes using nanoprecise
> mechanics. The vexatious nature involves the level of control; whether that
> control is haphazard or precise and specific at the nanoscale.
>
>
> steve@xxxxxxxxxxxx wrote:
>
> "The application of nanoscience in order to control processes on the
> nanometer scale, i.e. between 0.1 nm and 100 nm."
> http://www.nanoword.net/library/defgen/generate.php?termid=58
>
> Steve Lenhert
> http://www.nanoword.net
>
>
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>
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