Ads 230 x 230

Thursday, May 13, 2010

What is Nanotechnology

Posted by: , 0 comments

is shrinking fast. Computing technology that would have filled a
warehouse 30 years ago can now be squeezed onto a chip a fraction of
the size of your thumbnail. The very smallest scale of engineering is called nanotechnology. A
nanometer is a billionth of a meter, about the width of ten atoms. Nanotechnology may, one day, be capable nanorobotics, nanorobots or
Working at an almost atomic level, nanobots could build
complex items cheaply and repair clothes, equipment and even people
without being noticed. They could also be used to rid the atmosphere of
pollution and to repair holes in the ozone layer.

Nanogear  photoA nanogear

Machines made from individual atoms, like this differential gear, have reached the computer modelling stage, but have not yet been built. For nanotechnology to work, they would need to be made in huge numbers. Scientists are looking to nature for ideas on how nanobots. May be self-replicating, like plant and animal cells than a human hair.

Building atoms

Each ball represents one atom. The whole gear measures just a few nanometers in diameter.

Nanotechnology nanomanipulator May the force be with you

This manipulator is a big step toward an assember that can built nanobots from atoms. It uses an atomic force microscope, together with sopihisticated handling tools to manipulate minute particles.

You can write your comments and questions about nanotechnology using the mail.

These are benefits of Nanotechnology area. Benefits are will be very useful for humanity.
  • Nano Fabrics
  • Cosmetics
  • Bio Engineering
  • Defence and Security

  • Nanotechnology bottom up photoBottom up

    A mere wisp

    A row of 20,000 of these stick figures is more narrow than a human hair.

    Researchers are looking at different ways to construct nanorobots the “bottom up” approach uses individual atoms and molecules as building block. This stick figure was created from just 28 carbon monoxide molecules.

    Nanotechnology Top Down photoTop Down

    Known as “top down” one potential way of building nanomachines is to miniaturize existing machines. There have been some incredible feats, including whis fully working electric motor, just 0.07 in (1.8mm) in size.

    Putting it in context

    A plankton skeleton, just 0.008 in (0.2 mm) across, sits on one of the engine’s cogs, measuring 0.02 in (0.5 mm)

    Nanotechnology on health

    Medical Nanobots

    Medicine is the on the most exciting applicaiton areas for anobots. It may become possible to inject a fleet of nanobots to perfom vital work inside a human body without resorting to surgery. Imagine toothpaste full of nanobots equipped to locate and destroy plaque or nanobots built to clean a diseased blood vessel.

    Plaque Attack

    The diseased section of the blood vessel is covered with a type of plaque containing cholesterol.

    We want to show you some photos about nanotechnology.

    Ant : 5 milimeters

    Head of a pain: 1-2 milimeters

    Dust mite : 200 micrometers

    Micro Electro Mechanical Devices (Pollen Grain) : 10-100 micrometers

    Human Hair : 10-50 micrometers

    Red Blood Cells with White Cells : 2-5 micrometers

    Cellulose Nanofibrils : 20-100 nanometers

    DNA : 1-2 nanometers

    Stacks of Clay Mineral Platelets each Platelet with 1 nanometer thick

    5 Atoms of Silicon : 1 nanometer

    Carbon Nanotube : 2 nanometer diameter

    What are applications of nanotechnology? Uses of Nanotechnology?

    Nanotechnology on health area photo

    Nanotechnology will be on health area.

    There is a nanotechnology item with red blood cells in vein or artery on this photo. It work to repairs the problems about human body.

    Nanotechnology development has four generations.

    a. Dispersed and contact nanostructures. Example: colloids, aerosols…

    b. Products incorporating nanostructures. Example: coatings, nanoparticle reinforced composites, nanostructured metals, polymers, ceramics…

    • Second generation is Active Nanostructures (2005)

    a. Bio-active, health effects. Example: Targeted drugs, biodevices…

  • First generation is Passive Nanostructures (2000)

  • b.
    Physico-chemical active. Examle: 3D transistors, amplifiers, actuators, adaptive structures…

    Example: 3D networking and new hierarchical architectures, robotics, evolutionary…

    Example: Molecular devices “by design”, atomic design, emerging functions…

    P.S: Nanotechnology can be very useful for human generations or can’t be…

  • Third Generation is Systems of Nanosystems (2010)
  • Fourth Generation is Molecular Nanosystems (2015-2020)
  • Nanotechnology on computer

    Waste Away

    The nanobot would either remain inside the blood system, constantly performing its task or it would be programmed to biodegrade safely, carrying the waste plaque out of the human body.

    Saw “n” scrape

    An incredibly small rotary saw would scrape the plaque free from the blood vessel wall.

    Micro cleaner

    A vacuum hose would stuck up the waste plaque for safe storage inside the nanobot.

    The Challenge : Fabricate and combine nanoscale building blocks to make useful device, e.g a photosynthetic renction center with integral semiconductor strage.

    Benefits of Nanotechnology

    Innovative Application. What is nanotechnology benefits?

    Medicine and Drugs
    Nano Devices
    Optical Engineering


    صفحات مبعــثرة كسرت حاجز الصمـت لتحكي
    متعة الحياة أن تعمل عملا لم يسبقك إليه أحد ولم يتوقعه الآخرون.................. Its just another way to unlock ur potential representing my internists with other. By sniffing the web u might see several info.,instructions and details. here i collect similar and simplify them to u, cutting out from my time, efforts even i create my unique posts