1. Home >
  2. Science & Mathematics >
  3. Physics >
  4. Resolved Question
jack jack
Member since:
07 February 2007
Total points:
175 (Level 1)

Resolved Question

Show me another »

What is nano technology?

  • 3 years ago
krithika R by krithika R
Member since:
03 January 2007
Total points:
100 (Level 1)

Best Answer - Chosen by Voters

nano technology is nicknamed as Teeny Tiny Technology

read this article to understand:

What's the smallest thing you can imagine? Can you think of something extremely tiny that is also extremely strong--many times stronger than steel--and very flexible? Give up? The answer is carbon nanotubes, and nanotubes are made with nanotechnology. Now imagine those microscopic bits of technology being used to create teeny tiny machines that can travel inside the human body to attack cancer cells, or be assembled into enormous structures to fly humans into space. If this sounds like science fiction, you're half right: nanotechnology hasn't yet been refined to create these inventions, but scientists believe that before long, it will be a reality.
Nanotechnology comes from the Greek word for dwarf: nanos. Nanotechnology is technology that manipulates atoms to create something new. Humans have done that for centuries: we manipulate atoms by casting, milling, grinding, and chipping. Making stone tools and flint knives involves arranging atoms, arranging the atoms in coal yields diamonds, and rearranging the atoms in dirt, water, and air produces grass. This type of technology manipulates large groups of atoms, however, not individual ones. Nanotechnology involves manipulating much smaller bits.

To compare this to a building, current technology moves buildings from place to place to create new cities. Nanotechnology can move individual bricks in each building to change the shape and characteristics of the buildings. By moving bricks to create windows, corners, and slopes to the roof, a building can perform very differently from the original design. That's what nanotechnology does to atoms. As scientists are able to do this with greater accuracy and knowledge, we will be able to make products that are lighter, stronger, smarter, cheaper, cleaner, and more precise. By manipulating the way atoms behave to create lighter materials, for example, a car could weigh 50 kilograms (110 pounds).


the manipulation and manufacture of materials and devices on the scale of atoms or small groups of atoms. The “nanoscale” is typically measured in nanometres, or billionths of a metre (nanos, the Greek word for “dwarf,” being the source of the prefix), and materials built at this scale often exhibit distinctive physical and chemical properties due to quantum mechanical effects. Although usable devices this small may be decades away (see microelectromechanical system), techniques for working at the nanoscale have become essential to electronic engineering, and nanoengineered materials have begun to appear in consumer products. For example, billions of microscopic “nanowhiskers,” each about 10 nanometres in length, have been molecularly hooked onto natural and synthetic fibres to impart stain resistance to clothing and other fabrics; zinc oxide nanocrystals have been used to create invisible sunscreens that block ultraviolet light; and silver nanocrystals have been embedded in bandages to kill bacteria and prevent infection.



Possibilities for the future are numerous. Nanotechnology may make it possible to manufacture lighter, stronger, and programmable materials that require less energy to produce than conventional materials, that produce less waste than with conventional manufacturing, and that promise greater fuel efficiency in land transportation, ships, aircraft, and space vehicles. Nanocoatings for both opaque and translucent surfaces may render them resistant to corrosion, scratches, and radiation. Nanoscale electronic, magnetic, and mechanical devices and systems with unprecedented levels of information processing may be fabricated, as may chemical, photochemical, and biological sensors for protection, health care, manufacturing, and the environment; new photoelectric materials that will enable the manufacture of cost-efficient solar-energy panels; and molecular-semiconductor hybrid devices that may become engines for the next revolution in the information age. The potential for improvements in health, safety, quality of life, and conservation of the environment are vast.

At the same time, significant challenges must be overcome for the benefits of nanotechnology to be realized. Scientists must learn how to manipulate and characterize individual atoms and small groups of atoms reliably. New and improved tools are needed to control the properties and structure of materials at the nanoscale; significant improvements in computer simulations of atomic and molecular structures are essential to the understanding of this realm. Next, new tools and approaches are needed for assembling atoms and molecules into nanoscale systems and for the further assembly of small systems into more-complex objects. Furthermore, nanotechnology products must provide not only improved performance but also lower cost. Finally, without integration of nanoscale objects with systems at the micro- and macroscale (that is, from millionths of a metre up to the millimetre scale), it will be very difficult to exploit many of the unique properties found at the nanoscale.


Thus,
Nanotechnology, the creation and use of materials or devices at extremely small scales.

thus, this detail article will help you to know all the basic details you will want to know about Nanotechnology.

GOOD LUCK!

Source(s):

search engine
  • 3 years ago
100% 1 Vote

Other Answers (9)

  • nasigorengman by nasigore...
    Member since:
    14 April 2007
    Total points:
    491 (Level 2)
    A microscopic ear piece
    • 3 years ago
    0% 0 Votes
  • Nana by Nana
    Member since:
    23 February 2007
    Total points:
    3804 (Level 4)
    I believe it has to do with microscopic robot technology.
    • 3 years ago
    0% 0 Votes
  • Ravinder C by Ravinder C
    Member since:
    01 August 2006
    Total points:
    552 (Level 2)
    Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications. Encompassing nanoscale science, engineering and technology, nanotechnology involves imaging, measuring, modeling, and manipulating matter at this length scale.

    At the nanoscale, the physical, chemical, and biological properties of materials differ in fundamental and valuable ways from the properties of individual atoms and molecules or bulk matter. Nanotechnology R&D is directed toward understanding and creating improved materials, devices, and systems that exploit these new properties.
    One area of nanotechnology R&D is medicine. Medical researchers work at
    the micro- and nano-scales to develop new drug delivery methods, therapeutics and pharmaceuticals. For a bit of perspective, the diameter of DNA, our genetic material, is in the 2.5 nanometer range, while red blood cells are approximately 2.5 micrometers. Additional information about nanoscale research in medicine is available from the National Institutes of Health.

    A nanometer is one-billionth of a meter; a sheet of paper is about 100,000 nanometers thick. See The Scale of Things for a comparative view of the sizes of commonly known items and nanoscale particles.

    Source(s):

    • 3 years ago
    0% 0 Votes
  • saikrishna_viru by saikrish...
    Member since:
    21 February 2006
    Total points:
    161 (Level 1)
    nano technology is the study of things and substances that have the dimensions in nano units. they build many new inventions using this technology.
    • 3 years ago
    0% 0 Votes
  • veeranagoud by veeranag...
    Member since:
    01 October 2006
    Total points:
    157 (Level 1)
    Nono technology is one which is dealing with microscopic experiments. In general we may say that under nano tech the experiments are conducted in a smallest unit of space .For understanding it is just like cutting the size of hair into 1000 small parts and the experiment is done in one of 1000 parts.The experiment is done generally thro laser. For instance the CD/DVD movies and songs are examples of nano tech.The CD track is built under non tech. For appearance it is surprise to understand the capacity of a CD.But if u take it to lab and test the track u will find the full track of the loading and it is fixed in a permanent path. It will not change its path by tilting .
    • 3 years ago
    0% 0 Votes
  • sony_kumari74 by sony_kum...
    Member since:
    11 March 2007
    Total points:
    1394 (Level 3)
    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 smaller than 1 micrometer, normally between 1-100 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 applied to the sub-micron size scale.

    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, materials science, and even mechanical and electrical engineering. 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 where 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 and molecular beam epitaxy, these instruments allow the deliberate manipulation of nanostructures, and in turn led to the observation of novel phenomena. The manufacture of polymers based on molecular structure, or the design of computer chip layouts based on surface science are examples of nanotechnology in modern use. 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.

    Source(s):

    technology of nano
    • 3 years ago
    0% 0 Votes
  • Anjaneya by Anjaneya
    Member since:
    16 January 2007
    Total points:
    596 (Level 2)
    In this the devices or circuits will have nano size components(transistor, diod, wires, etc).

    Nano size means 0.0000000001 meters. It's toooooo small. out of imagination.
    • 3 years ago
    0% 0 Votes
  • Shashank K by Shashank K
    Member since:
    15 April 2007
    Total points:
    105 (Level 1)
    I basically believe that it is the scientific tecnological development related to minute ,say,objects like moder chips .In scientific terms "nano " refers to something of the order of 10 raised to -9
    • 3 years ago
    0% 0 Votes
  • Govinda by Govinda
    Member since:
    19 February 2006
    Total points:
    1501 (Level 3)
    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 smaller than 1 micrometer, normally between 1-100 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 applied to the sub-micron size scale.

    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, materials science, and even mechanical and electrical engineering. 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 where 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 and molecular beam epitaxy, these instruments allow the deliberate manipulation of nanostructures, and in turn led to the observation of novel phenomena. The manufacture of polymers based on molecular structure, or the design of computer chip layouts based on surface science are examples of nanotechnology in modern use. 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.

    Source(s):

    • 3 years ago
    0% 0 Votes

Answers International

Yahoo! does not evaluate or guarantee the accuracy of any Yahoo! Answers content. Click here for the Full Disclaimer.

Help us improve Yahoo! Answers. Tell us what you think.