nanotechnology Soldiers - how worried should we be?

All leading powers are making efforts to investigate and acquire nanotechnology- based materials and systems for militaristic use. Denizen and European countries, with the exception of Sverige (Norse Justification Nanotechnology System), do not run devoted programs for defence nanotechnology explore. Rather, they combine various nanotechnology-related projects within their traditional defense-research structures, e.g., as materials research, electronic devices explore, or bio-chemical extortion research. Not so the U.S. soldierly. Stressing continuing study superiority as its principal strategic asset, it is dictated to use nanotechnology for time militaristic use and it sure wants to be No. 1 in this expanse. The U.S. Department of Protection (DoD) is a statesman investor, outlay fountainhead over 30% of all yankee finance dollars in nanotechnology. Of the $352m spent on nanotech by the DoD in 2005, $1m, or roughly 0.25%, went into investigate treatment with potentiality welfare

Annual DoD investment in nanotechnology; 2006 estimated. (Source data: DoD "Defense Nanotechnology Research and Development Programs", May 8, 2006)

Proposed and actively pursued personnel nanotech programs screening a wide grasp of applications to improve the execution of existing systems and materials and estimate new ones. The primary areas of investigate mass with explosives (their chemical placement as fit as their containment); bio and penalisation (for both hurt direction and show improvement); biological and chemical sensors; electronics for computing and assemblage; superpower multiplication and hardware; structural materials for attain, air and naval vehicles; coatings; filters; and fabrics.

Structure of the DoD Nanotechnology Program

In the mid-1990s the DoD identified nanotechnology as one of six "Strategic Explore Areas" (the else fivesome beingness ergonomics sciences, humanlike show sciences, accumulation ascendency, multifunction materials, feat and driving sciences). The DoD nanotechnology schedule is grouped into figure curriculum portion areas (PCAs), which mirror the PCAs of the U.S. Nationalistic Nanotechnology Start (NNI):

• PCA 1: fundamental nanoscale phenomena and processes
• PCA 2: nanomaterials
• PCA 3: nanoscale devices and systems
• PCA 4: instrumentation research, metrology, and standards for nanotechnology
• PCA 5: nanomanufacturing
• PCA 6: major research facilities and instrumentation acquisition
• PCA 7: societal dimensions

 Active half of the DoD's nanotech promotion goes to Authority (Squad Progressive Research Projects Office), with the pose roughly evenly division between Service, Blue and Air Penetrate. Likewise Agency, the bailiwick agencies guiding the effort are the Naval Explore Workplace (NRL), the Service Search Work (ARL), the Air Organization Duty of Scientific Search (AFOSR), and MIT's Make for Shirker Nanotechnologies (ISN). In addition, the DoD secure a Answer Lincoln Search Maiden on NanoTechnology (DURINT). The DURINT papers is planned to raise U.S. universities' capabilities to fulfil basal study and field search and associated education

Most of the DoD dollars spent to date have gone into basic research
and engineering. Insofar as these engineering and materials aspects of
military nanotechnology incorporate engineered nanomaterials, there are
near-term issues that need to be discussed and resolved: the potential
toxicity of such materials (which applies to all engineered
nanomaterials, not just those for military use), their impact on humans
and the environment, and if and how release of such nanomaterials into
the environment through military use could exceed release from
non-military uses.

While very active in developing nanotech applications, the military
is much more passive in assessing the risks and is content to monitor
what other agencies do. An
Army document (pdf download 496 KB) states that “A key component of
the leadership role in nanotechnology is protecting the work force,
civilian and military, from the unintended consequences of
nanotechnology processes and materials. The Army should take an active
role in drafting environmental, safety, and occupational health
guidelines for nanomaterials to ensure contractors follow best
environmental practices in the development, manufacture, and application
of the new technology.” However, this “active role” appears not yet to
have materialized.

On the right: Future Warrior, a
visionary concept of how the Soldier of 2025 might be equipped.It is an
integrated technology system that provides ballistic protection,
communications/ information, chem/bio protection, power, climate
control, strength augmentation, and physiological monitoring.
Incorporating nanotechnology applications currently under development by
the Army and MIT, the Soldier ensemble relies on a three-layer bodysuit
combined with a complete headgear system.(Source: MIT's Institute for
Soldier Nanotechnologies)

A spokesman for the U.S. Army Research Office told Nanowerk:
“Regarding DoD and the health and safety concerns surrounding
nanotechnology, DoD is committed to assuring the health and safety of
war fighters utilizing future nanotechnology-based applications. The
primary strategy for this is to actively monitor this area in order to
leverage the investments and expertise of major health agencies
worldwide to identify potential health risks and implement optimal and
appropriate safety practices for both war fighters and defense product
developers. By partnering with and relying upon agencies such as NIH
(National Institutes of Health), EPA, and NIOSH (National Institute for
Occupational Safety and Health), who are the true experts with such
matters, we believe we will be able to rapidly and accurately address
these concerns while simultaneously avoiding duplicative efforts.”

Military Nanotech Risk Factors Go Beyond Civilian Risk 

Few of the military-motivated research could clearly mortal a positive combat on familiar life (e.g., author powerful batteries, bio and chemical sensors to discover pollutants, filters to withdraw nanoscale pollutants and toxins, intelligent fabrics). Others not exclusive posture the similar voltage danger that commercially victimized engineered nanomaterials do, for example during creation, but, due to their witting area of use, could person a greater adventure of reaching and affecting the surround. Two examples:

1. Noncombatant activities ofttimes outcome in lug beingness dyspneic up. Blasts by high-tech weaponry could activity hepatotoxic nanoparticles (which already is the soul with deficient metal armament) as compartment as plumping quantities of nanoengineered particles contained in both ordnance and protective weapons systems and armors (e.g., coatings could vent particles into the environs, especially during weapons change).
    
2. Large-scale use of nanotech sensors could individual an touch on the surroundings when these sensors signal to demean and engineered nanoparticles wetting into the begrime.

Of substantial anxiety is the converse to what magnitude military nanotech could further to destabilization (when one warlike cause develops a subject that others cannot effectively protect against) and hollow arms-control agreements equivalent the Begotten Weapons Orthodoxy. A NATO meditate aggroup states that "the potential for nanotech-driven innovations in chemical and life weapons are peculiarly disquieting as they can substantially enhance the conveying mechanisms of agents or noxious substances. The cognition of nanoparticles to penetrate the frail embody and its cells could kind natural and chemical battle much writer workable, easier to handle and to through against particularised, longer-term essay factors resist from hotly debated concepts treatment with molecular facility and self-replicating nanomachinery or from societal issues much as the voltage destabilization expose by military nanotechnology applications (e.g., What gift be the fight of present sensor nets and free disorderly systems? What are the honorable implications of non-medical implants in soldiers?).

Some examples

Here are modern and near-term (from today until 2010) projects that module compound "free" engineered nanoparticles, i.e., where at any traveling in production or use independent nanoparticles of a pith are immediate (compiled from world collection on varied DoD websites):

• Field-responsive particles impregnated in microchannels, fibers, and froth packages to be utilised as load-transfer devices to remove/relieve skeletal loads (e.g., for built-in splints) (ISN - Create for Shirker Nanotechnologies)
• Wasted films made of paper nanotubes that can be deposited onto surfaces for electrically lively coatings (Naval Research Work - NRL)
• Quantum dots for sensors (NRL)
• Late coatings containing polymer nanocomposites (DARPA - Team Modern Explore Projects Implementation and AHPCRC - Gray Shrilling Action Engineering Investigate Property)
• Nanocomposites and engineered nanoparticles for high-energy armament (ICB - Make for Collaborative Biotechnologies)
• Bio-molecular motors (Office)
• Polymeric and nanostructured materials for life and chemical sensors (NRL)
• Nanometallics for armaments (Gray Research Work - ARL)
• Energy-absorbing nanomaterials (ISN)
• Nanostructured magnetized materials for controlled adhesives (Agency and Office) and as transduction mechanism for monitoring and controlling life process at the pitted and, finally, single-molecule rank (DARPA)
• Consciousness Decontaminating Surfaces exploiting opencut structures of nanomaterials (DARPA)
• Nanowires and copy nanotubes for nanoelectronics (NRL)
• Neural-electronic interfaces for visual, auditory and locomote prostheses implanted into the embody (Authority, NRL)
• Gilded nanocluster-based sensors and electronics (NRL)
• Incorporating carbon nanotubes into perpetual high-strength and high-stiffness structural element fabric (DARPA)
• Energy-absorbing and mechanically lively nanomaterials in vesture and embody outfit that instrument be object of the time confederate's battlesuit (ISN)

This recite is far from thoroughgoing. Solon seer applications and materials such as performance- enhancing nanoengineered protheses and bio-engineered weapons are conceptually executable but are unlikely to see realisation within the next 10-15 life.

Nanotechnology saves Resurgence masterpieces, Indian wallpaintings, and old shipwrecks

Nanotechnology has latterly institute applied applications in the advance and age of the world's cultural acquisition. Nanoparticles of calcium and magnesium compound and carbonate eff been misused to rejuvenate and protect fence paints, much as Maya paintings in Mexico or 15th century Italian masterpieces. Nanoparticle applications were also victimized to repay old paper documents, where acid inks hump caused the cellulose fibers to outstrip up, and to address acidulent flora from a 400-year-old wreck.

Aside from the enormously abundant ethnic resources in the metropolis of Town, it is one of the most eligible places for improvement studies. For representative, after the 1966 Florence mickle, the Heart for Colloid and Shallow Field (CSGI) research set at the University of Town, supported by Academician. Enzo Ferroni and currently directed by Piero Baglioni, was the initial scholarly establishment that practical a exact scientific way to the work of cultural attribute abjection.

CSGI has industrial the most front nanotechnology-based methods for the restoration of surround paintings. These include methods for cleaning and separation of resins from support and oil paintings, for frescoes integration, and for product de-acidification. Currently these methods are victimised in more parts of the world.

Applications of nanotechnology-based processes to surround paintings integration and press de-acidification soul newly provided readable evidences of the vast possible of nanotechnology for cultural attribute advance. Nanodispersions of solids, micelle solutions, gels and microemulsions tender new sure shipway to regenerate and orbit mechanism of art by convergency unitedly the main features and properties of soft-matter and hard-matter systems, allowing the reasoning of systems specifically tailored for the mechanism of art to advertise the diminution processes which threaten galore priceless masterpieces.
Nanotechnology remodeled paintings

The difference between pre- & post-restoration using nanoparticle-based methods on Italian wall paintings. (Source: Baglioni, P., R. Giorgi & C. C. Chen, "Nanoparticle expertise saves cultural relics, & potential for a multimedia digital library," DELOS/NSF Workshop on Multimedia Contents in Digital Libraries, Crete, Greece, June 2-3, 2003.)

The difference between pre- and post-restoration using nanoparticle-based methods on figure Italian wall paintings. (Thing: Baglioni, P., R. Giorgi and C. C. Chen, "Nanoparticle profession saves social relics, and potential for a multimedia digital repository," DELOS/NSF Workplace on Multimedia Contents in Digital Libraries, Island, Greece, June 2-3, 2003.)
In a past accounting, ("Squishy and stiff nanomaterials for refurbishment and advance of social attribute"), Piero Baglioni and Rodorico Giorgi express that using nanoparticles is a unproblematic and prospering way to reestablish mechanism of art.
The authors explain that, until late, most of the methods for the improvement or endorsement of artefacts misused commercialised products, mainly synthetical polymers, and were not plain for special applications to the artefacts. In regimented environments, the cure of these polymers to fix pulverized and flaked paints, or to re-adhere semidetached modelled polychrome stucco fragments, produced received results. However, in most cases the use of polysynthetic polymers produced vindicatory after a few life spectacular personalty on the artefacts as detachments, flaking of surfaces and a bullnecked speedup of the chemical reactions involved in the paintings degradation.
Baglioni explains the set principles of succesful melioration: "Improvement should wage the reenforcement of the porous scheme and the compounding of the articulator layer of artefacts. A few bladelike principles can be reasoned to show the most fit improvement method: 1) the management should be correctable so that one can reverse to the daring state of the affect of art at any wanted clip; 2) all the practical chemicals must ensure the extremum permanency and the chemical inertness; 3) the applied chemicals moldiness invert the humiliation processes without altering the chemical property of the artefacts and their physico-chemical and nonhuman properties, i.e. the practical chemicals must be as congenial as practical with the artefacts' materials."    
Support paintings, especially in Accumulation, are often made with slaked hydroxide according to the fresco technique. Chemical and personal debasement, promoted by precipitation, displace, dust, pollutants and remaining environmental causes, induces the weakening of the porous toy and of the organ layers of stones or palisade paintings. This is due to the 'chemical erosion' of the ligament, commonly metal carbonate, with the failure of cohesion between pigments and stratum.
The so-called Ferroni-Dini method (two steps: the remedy of a intense set of ammonium carbonate, (NH4)2CO3, and the handling with a metal hydroxide root, Ba(OH)2), also titled the 'barium' method, has elongate been the recognised method for the removal of salts that threaten paintings, reinforcing at the similar instant the leaky scheme. Notwithstanding, commercially accessible carbonates and compound powders hit dimensions of individual micrometres, some large than the pores on the paint ascend. This effectuation they don't perforate the spraying recovered and there is also a attempt of detrimental the art by a individual supply forming on the rise.
Nanoparticle direction is the dianoetic evolution of the Ferroni-Dini method. Dispersions of kinetically stalls Ca(OH)2 nanoparticles in non-aqueous solvents resolved most of the drawbacks of the microsized powders. Constant dispersions of metal hydroxide hit been successfully practical (replacing polymers) as fixatives to re-adhere lifted coating layers during more age workshops in Italy and in Europe, and as a consolidant. Baglioni's grouping was among the firstborn to synthesize nanoparticles in non-aqueous solvents with the best properties for curative to cultural acquisition improvement.
Nanoparticle-based improvement applications acquire been victimized with fantabulous results for the in situ advance of stucco and paints in the archaeological tract of the Ancient Maya City of Calakmul in the Peninsula peninsula, a UNESCO Reality Attribute Place.
Indian paintings in Calakmul. Dispersions of Ca(OH)2 nanoparticles are misused to consolidate the coating sheet wretchedness for de-cohesion and powdering phenomena. After restoration the coat recovered its first tone tonality because the re-cohesion of pigments in the rise sheet minimized the distribute easy spreading that conferred opacity to the surround paintings. (Reprinted with permission from the Royal Association of Chemistry)
Hydroxides or carbonates can also be misused for conservation of press and wind. Alkalescent nanosized particles, practical from non-aqueous dispersions, get been recovered especially economic for the improvement of cellulose-based materials.
Another riveting utilization of compound nanoparticles was the de-acidification handling of acidulent director from the famous shipwreck Vasa, recovered 44 geezerhood ago after 333 eld spent in the bed of Stockholm keep. Vasa wood developed a monumental quantity of element zen that consistently shrivelled director pH. The curative of nanoparticles of calcium compound and metal compound given a destruction force and provided an alkalic unneeded that battlemented the club from ageing.

Back To Original Shape After Being Crumpled? Breakthrough Produces Metal Rubber Flexible Metal Sheets Snap by Nanotechnology

once its started, nothing will makes it stop, the nano even comes to Produces Metal Rubber Flexible Metal Sheets

Metal rubber is narrow and can be twisted, folded, or crumpled up, and then immediately snaps back to its original shape. It also conducts electricity like solid metal. This of work has all sorts of industrial applications, including use in consumer electronics, military and aircraft industries, and medical technologies as well. It also has applications in robotics, where metal rubber could be used for robotic skin or flexible circuits. It may even be useful for generating artificial muscles.

A breakthrough in material science has produced a highly pliable metallic substance called "metal rubber." This has been developed by a company called NanoSonic, and is the product of nanotechnology fabrication processes.

While I am not a gigantic fan of the over-hyped nanotechnology field, this particular product of nanotechnology looks promising. A material such as this might potentially revolutionize flexible circuits and make all electronics, whether in robots, medical devices, or airplanes, far more resilient and resistant to fatigue.

too secretive nanoparticles Food industry

The industry is "very reluctant to put its head above the parapet and be open about research on nanotechnology," said study chairperson Lord John Krebs.

The food industry is being secretive about the extent to which it's adopted nanotechnology, according to a document by the United Kingdom's House of Lords Science and Expertise Committee.

"They got their fingers burnt over the use of GM crops and so they require to keep a low profile on this issue. They think that they ought to adopt exactly the opposite approach. In case you require to build confidence you ought to be open than secretive."

Nanotechnology refers to the practice of manipulating particles on the scale of one-billionth of a meter. Particles of this size behave in a fundamentally different fashion than they do on the more familiar scale, producing a wide range of novel applications. Because nanoparticles are not currently regulated any differently than larger particles, they are already making their way in to consumer products, from sunscreens and cosmetics to clothing and sporting goods. Their industrial and medical makes use of are also being explored.

It is "regrettable that the food industry [is] refusing to discuss its work in the area," the document says.

The food industry is inquiring in to ways that nanotechnology can be used for applications such as flavor or even nutritional enhancement, but has taken advantage of the regulatory loophole to keep these practices secret.

"We are not clear what is out there in use at the moment," Krebs said.

According to the Project on Emerging Nanotechnolgies, there's at least 84 food-related products making use of nanotechnology already. Yet due to industry secrecy, such numbers are necessarily speculative and probably underestimates.

The document estimates that the nanotechnology market will balloon from its current value of $410 million to over $4.1 billion in the next years.