27 April 2014

New technology could allow batteries to last as long as 50 years

Researchers have developed a new battery technology that could help create batteries that last longer than previously thought possible.
A team of researchers at the US Department of Energy's Oak Ridge National Laboratory (ORNL) have challenged a long-held assumption that a battery's three main components - the positive cathode, negative anode and ion-conducting electrolyte - can play only one role each in the device.
The electrolyte in the team's new battery design has dual functions: it serves not only as an ion conductor but also as a cathode supplement.
This cooperative chemistry, enabled by the use of an ORNL-developed solid electrolyte, delivers an extra boost to the battery's capacity and extends the lifespan of the device.
"This bi-functional electrolyte revolutionises the concept of conventional batteries and opens a new avenue for the design of batteries with unprecedented energy density," said ORNL's Chengdu Liang.
The team demonstrated the new concept in a lithium carbon fluoride battery, considered one of the best single-use batteries because of its high energy density, stability and long shelf life.
When ORNL researchers incorporated a solid lithium thiophosphate electrolyte, the battery generated a 26 percent higher capacity than what would be its theoretical maximum if each component acted independently.
The increase, said Liang, is caused by the cooperative interactions between the electrolyte and cathode.
"As the battery discharges, it generates a lithium fluoride salt that further catalyses the electrochemical activity of the electrolyte," Liang said.
"This relationship converts the electrolyte - conventionally an inactive component in capacity - to an active one," he said.
The improvement in capacity could translate into years or even decades of extra life, depending on how the battery is engineered and used.
Longer-lived disposable batteries are in demand for applications such as such as artificial cardiac pacemakers, radiofrequency identification devices, remote keyless system, and sensors, where replacing or recharging a battery is not possible or desirable.
"If you have a pacemaker, you don't want to undergo surgery every 10 years to replace the battery," Liang said.
"What if a battery could last 30 to 50 years? Our fundamental research is opening up that possibility through a new design mechanism," Liang added.
The study is published in the Journal of the American Chemical Society.

JAVA Script to edit Any Site

               I just found this cool price of Javascript today and you know anything is possible in the world of Internet, so this script lets you edit everything on any website. Of course, the changes won’t be saved and this trick is pretty useless, but it may come handy to impress your  friends.

So to do the trick just copy the script below and paste onto the address bar while you are on the website you want to edit!  for Google Chrome users Again Type javascript: in address bar...!

javascript:document.body.contentEditable='true'; document.designMode='on'; void 0

Flying Images .....In Web Site

    Let Try this  Funny Trick....
    open any site containing images...Follow these Steps...

 1. Paste The Below Javascript ....in Address Bar

 javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24;    x4=300; y4=200; x5=300; y5=200;    DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++)             {DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=      (Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0);

 2. Enter .....Same as previous. For  Google Chrome users type javascript: in address bar And Copy                  the code...

26 April 2014

How to use your mobile camera as PC Webcam

 In this article i will show you how to use your mobile camera as PC webcam for Video Chat. it can save your money and same webcam experience.

I have select one good application for converting your Mobile Camera into PC webcam using small application easily. 

SmartCam application is simple to use and easy to install for all mobile platform like Symbian, Android etc and connect as a Webcam for your PC via Bluetooth and Wi-Fi.

Download SmartCam PC Application, and install in your PC.

Then Download SmartCam(Android)SmartCam(Symbian) SmartCam(Bada) and Install app in your Mobile.

Open SmartCam app in your mobile and goto setting and put your local IP and select connect via Wi-Fi or bluetooth  and then Connect to your PC, now go to your Chat application (Skype or Yahoo) and select Smartcam in Video settings.