Hey guyz…as we have already put a step forward in to high speed generation called 3G.
Which made us experince a faster way to communicate to the world? Now we don’t have to see the “Loading ...” text while we open a web page.
But still there’s no word “END” to any technology. So what’s next..let ‘s know about the next Generation called The “4th Generation”.
What is 4G?
4G is short for Fourth (4th) Generation Technology. 4G Technology is basically the extension in the 3G technology with more bandwidth and services offers in the 3G. But at this time nobody exactly knows the true 4G definition. Some people say that 4G technology is the future technologies that are mostly in their maturity period. The expectation for the 4G technology is basically the high quality audio/video streaming over end to end Internet Protocol. If the Internet Protocol (IP) multimedia sub-system movement achieves what it going to do, nothing of this possibly will matter. WiMAX or mobile structural design will become progressively more translucent, and therefore the acceptance of several architectures by a particular network operator ever more common.
Some features of 4G : -
A nominal data rate of 100 Mbit/s while the client physically moves at high speeds relative to the station, and 1 Gbit/s while client and station are in relatively fixed positions as defined by the ITU-R
A data rate of at least 100 Mbit/s between any two points in the world
Smooth handoff across heterogeneous network
Seamless connectivity and global roaming across multiple networks
High quality of service for next generation multimedia support (real time audio, high speed data, HDTV video content, mobile TV, etc.)
Interoperability with existing wireless standards
An all IP, packet switched network
IP-based femtocells (home nodes connected to fixed Internet broadband infrastructure)
Hey Readers..this is first time I tried to write something on a “blog“..as I always thought writing something related to science is not my cup of tea..:) Still I dared to write this blog on “Nanotechnology” which is expected to be a boom in tech era...hope you’d like it ;)
Nanotechnology is the manipulation of matter on the nanoscale. A nanometer is a very small measure of length- it is one billionth of a meter, a length so small that only three or four atoms lined up in a row would be a nanometer. So, nanotechnology involves designing and building materials and devices where the basic structure of the material or device is specified on the scale of one or a few nanometers. Ultimately, nanotechnology will mean materials and devices in which every atom is assigned a place, and having every atom in the right place will be essential for the functioning of the device. Another way of thinking about the ultimate form of nanotechnology is that it will be based upon molecular machinery - machines made by having every atom in a designed place and performing a designed function. These molecular machines will be capable of making other molecular machines and other products in which the atomic structure is precisely arranged to make the desired product. These molecular machines that will be able to assemble atoms into complex structures have been termed "assemblers." Such assemblers will be able to build just about anything that exists or can be designed, anything that is compatible with the basic laws of physics. This includes being able to make copies of themselves, so eventually we have an entire manufacturing economy based upon molecular manufacturing, where the capital base of the economy could double in minutes instead of years, thus creating immense wealth. The kinds of products that could be built will range from microscopic, very powerful computers to super strong materials ten times as strong as steel, but much lighter, to food or other biological tissue.
All these products would be very inexpensive because the molecular machines that built them will basically take atoms from garbage or dirt, and energy from sunshine, and rearrange those atoms into useful products, just like trees and crops take dirt, water and sunshine and rearrange the atoms into wood and food. Right now the only molecular machines that exist are those inside living cells. Right now mother nature and evolution are the only true nanotechnologists. In effect it is nature itself that we would like to mimic. This is how biology and genetics can become relative to nanotechnology. As a matter of fact there are many disciplines (like defence,biotechnology,Engineering sciences etc.) that are constructive to the goal of nanotech, which is why there is no nano degree at this point in time.
Nanotechnology could be used within our own minds. Nanocomputers could be placed in our bodies to augment our own brains. Nano-theorists have estimated that the entire contents of the Library of Congress could be stored in a nanocomputer the size of a human cell, and that another nanocomputer the size of a human cell could have the same raw computing power as the whole human brain. In the beginning such computers could interface with the person through computer screens that were part of their skin, or by projecting images on their eyelids. Eventually they might interface directly with the brain so you could communicate with these computers merely by thought. It would then be practical for any person to carry with them or to easily access all of human knowledge, and to think with the computing power of millions of present day human brains. Also for good or ill it would be possible to attain whatever mood you wanted instantly. Since we will understand the action of all the brain chemicals that effect mood, and all of the drugs that some people use to change moods, we will be able to command our nanomachines inside our bodies to produce whatever brain chemicals or drugs we want, whenever we want them. So it should be possible to switch to altered states of consciousness and then back again at will.
