What is Your Opinion on Nanotechnology~?

hey can u please explane me what is nanotechnology and what is it.

nanotechnology will be helpful for the humans in the future

my opinion is the nanotechnology will be usefull than any other technology...now it is in devoloping stage may be in future it will be one of the most advanced way for destruction of cancer cells as u said... since it deals with nano robotics care should be taken not to be malfunction...the result will be severe since it is inside our body... there are disadvantage but scientists will overcome these demerits to make it a successfull one.. it is the only hope for some disease which doesnt have medicine..

Nanotechnologies have an infinite potential, I just hope that humans will use it with consciousness! Otherwise we are going to have very bad days

Nanotech is said to be the future of objects where technology has made great advancements. With the high use of nanotech, a huge size car can be shrunken into a small a small match box. This is one line which I read in an article.

Mother nature already uses nanotech. Humans will probably abuse it.

Ya it's good because I believe uin the saying ths maller the better

From Wikipedia, the free encyclopedia Nanotechnology is a field of applied science and technology covering a broad range of topics. The main unifying theme is the control of matter on a scale below 100 nanometers, as well as the fabrication of devices on this same length scale. It is a highly multidisciplinary field, drawing from fields such as colloidal science, device physics, and supramolecular chemistry. Much speculation exists as to what new science and technology might result from these lines of research. Some view nanotechnology as a marketing term that describes pre-existing lines of research. Despite the apparent simplicity of this definition, nanotechnology actually encompasses diverse lines of inquiry. Nanotechnology cuts across many disciplines, including colloidal science, chemistry, applied physics, biology. It could variously be seen as an extension of existing sciences into the nanoscale, or as a recasting of existing sciences using a newer, more modern term. Two main approaches are used in nanotechnology: one is a "bottom-up" approach where materials and devices are built from molecular) components which assemble themselves chemically using principles of molecular recognition; the other being a "top-down" approach nano-objects are constructed from larger entities without atomic-level control. The impetus for nanotechnology has stemmed from a renewed interest in colloidal science, coupled with a new generation of analytical tools such as the atomic force microscope (AFM) and the scanning tunneling microscope (STM). Combined with refined processes such as electron beam lithography, these instruments allow the deliberate manipulation of nanostructures, and in turn led to the observation of novel phenomena. Nanotechnology is also an umbrella description of emerging technological developments associated with sub-microscopic dimensions. Despite the great promise of numerous nanotechnologies such as quantum dots and nanotubes, real applications that have moved out of the lab and into the marketplace have mainly utilized the advantages of colloidal nanoparticles in bulk form, such as suntan lotion, cosmetics, protective coatings, and stain resistant clothing.

I am deliberately giving this a mythological perspective, because the obvious merits and demerits are there for all to see, if they chose to inform themselves and applied one of the rarest traits in the world these days...common sense :-) Being a Hindu, I am best informed of Hindu Mythology, hence I draw my examples from there. I am sure there are comparables from all religions, and my intention is not a religious propaganda...all I am trying to do is draw inferences and analogies from centuries old wisdom. In an effort to decide who is mightier...the gods or the demons, there was once held, a tug-of-war between the two forces. The venue: the middle of the ocean...a huge serpent named Vasuki became the rope that was wound around a hill and pulled from one side by the gods and the on the other, by the demons. The churning that resulted led to both nectar and poison being spewed by the ocean. I end the narrative to illustrate what I am getting at...there is hardly anything in the world that doesn't have two sides. Progress for sure comes with its hazzards and pitfalls. It's up to us to preempt whether a new 'progress' will result in mass benefits or mass threats...or which will outweigh the other. Mechanisation brought with it mechanised warfare, atomic research brought the atom bomb, nuclear research brought the nuclear bomb. But each of these have also brought far reaching benefits to mankind. Nanotechnology promises a lot. I am not a researcher. Nor am I so clued-in that I can make categoric judgements about which outweighs which. But I certainly do hope that the policy makers around the world are better informed than I am (ha ha) May prudence prevail...nano or otherwise.

There are several potential entry routes for nanoparticles into the body. They can be inhaled, swallowed, absorbed through skin or be deliberately injected during medical procedures (or released from implants). Once within the body they are highly mobile and in some instances can even cross the blood-brain barrier. How these nanoparticles behave inside the organism is one of the big issues that needs to be resolved. The behavior of nanoparticles is a function of their size, shape and surface reactivity with the surrounding tissue. They could cause overload on phagocytes, cells that ingest and destroy foreign matter, thereby triggering stress reactions that lead to inflammation and weaken the body’s defense against other pathogens. Apart from what happens if non-degradable or slowly degradable nanoparticles accumulate in organs, another concern is their potential interaction with biological processes inside the body: because of their large surface, nanoparticles on exposure to tissue and fluids will immediately adsorb onto their surface some of the macromolecules they encounter. This may, for instance, affect the regulatory mechanisms of enzymes and other proteins. other than this there are alot of other problems such as envoirmental issues and etc,nanotechnology is still in its developing stage and i really think that at the moment it has many"bads" than "goods"

Nanotechnology is the developing technonogy after MEMS. Nanotechnology is a multidisciplinary scientific field undergoing explosure development. The “nano” is the prefix but have shapened the world atom by atom towards miniturisation; provides cost effective and more rapid functioning, machines and biological components. This exorcize the ‘impossibility’ with expeditious ideas and concepts. The genesis of nanotech can be traced to the promise of revolutionary and advances across medicine, genomics, communication and robots.

Nanotechnology is the latest technology which will have some enormous growth in a fewer days. Since this technology is mostly in its research stage it takes time to emerge as a successful technology. But we can rule world in a nanosize is unimagiable with this technology, soob this will come true anyway. And the greatest advantage of this technology is that this nanotechnology can be combimed with the other technologies to bring the excellent future technologies. So nano will rule the world in the future!

How Nanotechnology Will Work In the early 20th century, Henry Ford built a car manufacturing plant on a 2,000-acre tract of land along the Rouge River in Michigan. Built to mass-produce automobiles more efficiently, the Rouge housed the equipment for developing each phase of a car, including blast furnaces, a steel mill and a glass plant. More than 90 miles of railroad track and conveyor belts kept Ford's car assembly line running. The Rouge model was lauded as the most efficient method of production at a time when bigger meant better. The size of Ford's assembly plant would look strange to those born and raised in the 21st century. In the next 50 years, machines will get increasingly smaller -- so small that thousands of these tiny machines would fit into the period at the end of this sentence. Within a few decades, we will use these nanomachines to manufacture consumer goods at the molecular level, piecing together one atom or molecule at a time to make baseballs, telephones and cars. This is the goal of nanotechnology. As televisions, airplanes and computers revolutionized the world in the last century, scientists claim that nanotechnology will have an even more profound effect on the next century. Nanotechnology is an umbrella term that covers many areas of research dealing with objects that are measured in nanometers. A nanometer (nm) is a billionth of a meter, or a millionth of a millimeter. My, i work in nanotechnology, in nanostructurated superconducrors. See my discution about this.

Nanotechnology is a field of applied science and technology covering a broad range of topics. The main unifying theme is the control of matter on a scale below 100 nanometers, as well as the fabrication of devices on this same length scale. It is a highly multidisciplinary field, drawing from fields such as colloidal science, device physics, and supramolecular chemistry. (A strand of hair is 100,000 nano meters. Much speculation exists as to what new science and technology might result from these lines of research. Some view nanotechnology as a marketing term that describes pre-existing lines of research. Despite the apparent simplicity of this definition, nanotechnology actually encompasses diverse lines of inquiry. Nanotechnology cuts across many disciplines, including colloidal science, chemistry, applied physics, biology. It could variously be seen as an extension of existing sciences into the nanoscale, or as a recasting of existing sciences using a newer, more modern term. Two main approaches are used in nanotechnology: one is a "bottom-up" approach where materials and devices are built from molecular) components which assemble themselves chemically using principles of molecular recognition; the other being a "top-down" approach nano-objects are constructed from larger entities without atomic-level control. The impetus for nanotechnology has stemmed from a renewed interest in colloidal science, coupled with a new generation of analytical tools such as the atomic force microscope (AFM) and the scanning tunneling microscope (STM). Combined with refined processes such as electron beam lithography, these instruments allow the deliberate manipulation of nanostructures, and in turn led to the observation of novel phenomena. Nanotechnology is also an umbrella description of emerging technological developments associated with sub-microscopic dimensions. Despite the great promise of numerous nanotechnologies such as quantum dots and nanotubes, real applications that have moved out of the lab and into the marketplace have mainly utilized the advantages of colloidal nanoparticles in bulk form, such as suntan lotion, cosmetics, protective coatings, and stain resistant clothing. Nanoscience and nanotechnology only became possible in the 1910's with the development of the first tools to measure and make nanostructures. But the actual development started with the discovery of electrons and neutrons which showed scientists that matter can really exist on a much smaller scale than what we normally think of as small, and/or what they thought was possible at the time. It was at this time when curiosity for nanostructures had originated. The atomic force microscope (AFM) and the Scanning Tunneling Microscope (STM) are two early versions of scanning probes that launched nanotechnology. There are other types of scanning probe microscopy, all based on the idea of the STM, that make it possible to see structures at the nanoscale. The tip of scanning probes can also be used to manipulate nanostructures (a process called positional assembly). However, this is a very slow process. This led to the development of various techniques of nanolithography such as dip pen nanolithography, electron beam lithography or nanoimprint lithography. Lithography is a top-down fabrication technique where a bulk material is reduced in size to nanoscale pattern. There are several potential entry routes for nanoparticles into the body. They can be inhaled, swallowed, absorbed through skin or be deliberately injected during medical procedures (or released from implants). Once within the body they are highly mobile and in some instances can even cross the blood-brain barrier. How these nanoparticles behave inside the organism is one of the big issues that needs to be resolved. The behavior of nanoparticles is a function of their size, shape and surface reactivity with the surrounding tissue. They could cause overload on phagocytes, cells that ingest and destroy foreign matter, thereby triggering stress reactions that lead to inflammation and weaken the body’s defense against other pathogens. Apart from what happens if non-degradable or slowly degradable nanoparticles accumulate in organs, another concern is their potential interaction with biological processes inside the body: because of their large surface, nanoparticles on exposure to tissue and fluids will immediately adsorb onto their surface some of the macromolecules they encounter. This may, for instance, affect the regulatory mechanisms of enzymes and other proteinsSocietal risks from the use of nanotechnology have also been raised.Nanotechnologies may provide new solutions for the millions of people in developing countries who lack access to basic services, such as safe water, reliable energy, health care, and education. The United Nations has set Millennium Development Goals for meeting these needs. The 2004 UN Task Force on Science, Technology and Innovation noted that some of the advantages of nanotechnology include production using little labor, land, or maintenance, high productivity, low cost, and modest requirements for materials and energy. Nanotechnology is gonna take us 20yr after from where we are now.this millenium may be named a "NANOWORLD".....

I can't help thinking it is a pandora's box. It seems to me like one either sees lots of benefits, or sees lots of dangers, and never shall the two meet! (As the old saying goes.) Dean Koontz wrote a book (fictional thriller) about this. It was very good, and he always makes me think. As a matter of fact, he did a couple of 'em.

yes nanotechnoligy is the future of our lives...if all the researches made on nanotechnology comes into implentation our world woul definitely become a better place..

There are many great discoveries and inventions in this world that are wonderful and does a lot of good provided it is used ethically and with proper care. Nuclear was a great discovery... but eventually misused and became a terrible military weapon. Unfortunate... but inevitable. Same goes for nanotechnology... potentially a lot of good can be done, potentially a lot of damage or evil it can cause... Humans are self-destructive... Terrified is an understatement... let's see how humans can use this technology for the better and save lives rather than submit to the temptations to the opposite... taking lives....

nanotechnology is a revolution in the developing field of science..due to this nanotechnology the characters and features of molecules and can helpful in making the products with desired characters..Nanotechnology also serves in better purification of water.it is also useful in the field of medicine..By knowing the simpler structures of very minute molecules the medicines can be prepared easily which becomes cost effective and available to all classes of people...Thus nanotechnology solves many human problems and serves them with effective quality...

yeah its really good

its gr8 technology and i'm waiting anxiously to c it more commonly used in our lives lets c wen it comes with a boom...