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Review by Rocky Rawstern
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"N is for Nanotechnology" is a 30 minute documentary exploring the hypes, hopes and facts of this fascinating field as seen through the eyes of award-winning scientists, industry leaders and writers.
What I found true throughout "N" is for Nanotechnology is that everyone who contributed has obviously spent a great deal of time thinking about her or his area of expertise - especially as it applies to nanoscience. They each have the ability to talk about it in lay terms, and they all seem genuinely excited about a nanotech-enabled future.
I recommend "N" is for Nanotechnology to anyone who does not now but wishes to understand nanotechnology basics. For those who would delve a bit deeper into the complex social and ethical issues, I highly recommend the Foresight Institute and the Center for Responsible Nanotechnology.
In order to keep this review simple and to the point, I'll just say a few words about what you'll see and hear, where I agree, and a where I respectfully disagree. I'll close with a few words about the future, and some notable quotes from the production.
This is a well done introductory to the science of the nanoscale, which covers the following:
The producers of "N" is for Nanotechnology cover the basics by interviewing scientists at the University of Toronto, and a variety of others such as Devon Hamilton of the Ontario Science Centre. As a consequence, this presentation focuses primarily on our friends to the North, and is from their points of view. However, the science they talk about is universal - ask the same questions to other scientists and expect to get similar answers.
Overall Rating: as it explains in simple terms most of the important "introductory" points.
What it does not do is try to take on the hotly contested and complex social and economic issues, and rightly so; those topics deserve several other presentations, and many discussions. If you would like to learn more about these issues, check out the Foresight Institute and the Center for Responsible Nanotechnology.
There are two points with which I respectively disagree. The first is one made by Professor Christopher Yip, when he states "One of the bigger misconceptions about nanotechnology is that it's going to be the solution to all of our woes." He goes on to say, facetiously, "We'll be able to cure ourselves by having fanciful robots running around (in our bodies) that can do things for us. Examples might be the autonomous robots from a health perspective that go in and clear arterial clots." He clearly doesn't believe this a possibility.
It is my contention that as envisioned by Robert Freitas Jr., nanorobots are both possible and likely. With a modest financial incentive (think NanoX-Prize), and a not-too-hard-on-the-wallet injection of investment dollars (pick your currency, company, and country), we could soon see nanorobots in the form of sensors and self-directing drug delivery mechanisms (1).
My second disagreement is in regards to a belief of several of the contributors; they think that self-assembled nanotechnology (2) is possible, but a near-term time frame is way too soon. They also contend that it will only come as a result of a great deal of research, and occur many years in the future.
In this area I concur with Chris Phoenix and Mike Treder at CRN when they opine that limited molecular nanotechnology (LMNT) could happen much sooner than some so-called mainstream prognosticators predict, and with increasingly fewer dollars as time passes. Further, I think it likely that given the rate of scientific progress, coupled with ever-increasing worldwide research budgets, we'll see LMNT before the end of this decade. If not then, and unless the funding spigot is turned off, I'd be very surprised if it did not occur within the next ten years. (3)
One of the areas I think needs bit of clarification is the topic of "things that are not going to happen," such as "self-replicating nanostructures that completely treat a disease or kill people - that's not going to happen."
I think the point here is the "self-replicating" aspect, with which I agree - it is not likely to happen anytime soon. What I believe we will see is mechanisms that are built from nanoscale components, that are self-guided (pre-programmed by humans), purpose-driven, and intrinsically unable to self-replicate.
Several of those interviewed feel that some form of limited molecular manufacturing won't be seen in the near term, another position I think needs expanding upon. If current funding levels do not increase, then perhaps it will not, in the near-term. However, should one or more countries or companies or venture groups or wealthy Dot-comers dedicate a few billion dollars (4) (and less as time goes by), then we're more than likely see at least a limited form of MNT within the decade.
I base this opinion on several factors:
What the Future Holds
According to those interviewed, there are several issues that we need to pay attention to, all of which I wholeheartedly agree:
"Nanotechnology suggests the possibility of making extremely small, submicroscopic devices and machines."
"Nanotechnology will end up making breakthroughs in ways that we cannot yet anticipate."
"Nanotechnology is powerful, and we have to ensure that we harness its power towards useful ends."
In closing, here are two quotes that really stood out:
"The ability to build something from the most fundamental constituents is a massive breakthrough - it's going to change everything."
Robert J. Sawyer, Author
"Because we have the ability to change materials - even at the nanoscale - to construct materials, build them up atom by atom essentially, that gives material scientists a great deal of power in terms of designing a macroscopic material that we can use, based on the nanoscale."
Devon Hamilton, Ontario Science Centre
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