Great article on the definition of nanotechnology over at Nanowerk. It starts like this:
Ask 10 people what nanotechnology is and you will get 10 different answers.
Trying to define nanotechnology is like the famous tale of the blind men and the elephant: Six blind men were asked to determine what an elephant looked like by feeling different parts of the elephant’s body. The blind man who feels a leg says the elephant is like a pillar; the one who feels the tail says the elephant is like a rope; the one who feels the trunk says the elephant is like a tree branch; the one who feels the ear says the elephant is like a hand fan; the one who feels the belly says the elephant is like a wall; and the one who feels the tusk says the elephant is like a solid pipe. It’s the same with nanotechnology – it is different things to different people.
And then there are all these terms floating around: ‘bottom-up’ and ‘top-down’ fabrication, ‘atomically precise manufacturing’, ‘molecular assembly’, ‘self-assembly’, ‘nanorobots’, ‘nanofactories’ and so forth. Try describing nanotechnology as a top-down fabrication process and the folks over at Foresight and CRN will tell you what a short-sighted wuss you are. Try describing nanotechnology the Drexlerian way as a bottom-up molecular assembly technology and some scientists will tell you that you are smoking too much of the good stuff.
Another good original article from Nanowerk is “Nanotechnology manufacturing key to industrialized countries’ future competitiveness”.
I always thought the term “nanotechnology†was something very objective; that being any technology that exists on an extremely small scale. It even uses the even more objective term “nano†which is a metric unit of measurement, to tell us exactly how small.
I think the term itself might be hurt by all the hype.
Hype causes nothing but confusion. “Nanotechnology” needs to take on a specified, proper definition. A discomforting number of people still think of early Drexlerian-type fantasies of self-replicating, airborne molecular construction workers when they hear the word nanotechnology – I suspect that very few lay people indeed would recognise that, for example, genetic engineering, or particulate markers for treating cancer were nanotechnology, or the advanced circuitry in today’s fastest processors.
The hype may be an unavoidable by-product of the push to develop utilities in this area, but I suspect that in the long run it will hurt the field more than any initial infusion of capital will help it.
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