Graphene can charge your mobile batteries in seconds

Graphene is a flat layer of carbon atoms in a tightly packed lattice in two dimensions (2D) Beehive and is a basic building block for graphitic material for all other dimensionalities. Can be contained in 0 D Fullerenes, nanotubes rolled into 1 d or stacked in 3D graphite.

The team, led by Monash University, Dan Li says that the combination of two simple materials of graphite and water can help produce such Super batteries that perform on a par with lithium-ion batteries. Scientists are working essentially with a material called Graphene, which could create the Foundation for next-generation storage systems, advanced materials, ultrafast energy journal reported.Once we can properly manipulate this material, your iPhone, for example, could charge in a few seconds, or possibly faster, said Li. Graphene is the result of breaking down graphite, a cheap, readily available material commonly used in pencils, into layers one atom thick. It is strong, chemically stable, an excellent conductor of electricity and, importantly, has an extremely high surface area.

Li said these kind of individuality make graphene extremely suitable for energy storage applications. The reason graphene is not being used all over the place is that these very thin sheets, when stacked into a usable macrostructure, immediately bond together, reforming graphite.  When graphene restacks, most of surface area is lost and it does not behave like graphene anymore, he said. The team has discovered the key to maintaining the remarkable properties of separate graphene sheets water.

Maintenance graphene moist in gel form provides gross forces between the sheets and not allows restacking, making it ready for real world application, say the scientists. The technique is very simple and can easily be scaled up. When they exposed it, they thought it was not believable. They are taking two basic, inexpensive materials water and graphite and making this new nano material with remarkable properties, said Li.

When used in energy devices, graphene gel considerably outperforms current carbon based equipment, both in terms of the amount of charge stored and how fast the charges can be delivered. Li said the benefits of developing this nanotechnology extended beyond consumer electronics. High speed, reliable and reduces the cost and energy storage systems are very critical for the future viability of power from renewable property. These systems are also the key to large scale adoption of electrical vehicles. Graphene gel is also showing promise for use in water cleansing membranes, biomedical devices and sensors, he said.

Source: Print Media

Tags: graphene, battery, gel, graphite

Google finds a new opportunity in Japan

A car with surprisingly made its way last week in the rubble in the port city hit by the tsunami of Kesennuma Japan. On the roof: a collection of nine cameras create 360 degree panoramic digital images of the disaster area to damage archive.

It is one of the new ways that Google has used its technology to raise its brand and identity of social network in the country.

Google was also quick in the early hours of the disaster site to assemble a Finder Person who has helped people to learn from the situation of families and friends affected by the earthquake and tsunami. Analysts say it is too early to say whether Google's efforts have resulted in a greater share of the search or online advertising since the earthquake. But after blunders serious privacy concerns and raise in the past, Google has finally won new friends in a country where it trails Yahoo.


 "I know we would have to worry about with these people," said Shigeru Sugawara, the mayor of this northern city. After the magnitude 9.0 earthquake struck on March 11, Google employees were Japanese shook in their office in Tokyo on the 26th floor.

Within minutes, a small group of Google employees began work on what would become the first of the various disaster-related services that Google has launched in Japan. Person Finder was initially developed after the January 2010 earthquake in Haiti. In Japan, Google launched its service in person Finder online within two hours after the earthquake.


The locator of people, users with information about a missing person can create an entry that other users can search. People looking for a missing person can also create an entry in the hope that someone with information will see it and post an update.

There was an obvious disadvantage without access to the Internet from hundreds of evacuation centers, victims had no way to capture their movements on the website.

Most of the information on missing persons was instead of taking the form of handwritten posters in the evacuation centers. And Google began to ask users to take pictures of posters and download them to Google Picasa online photo-sharing services. The company has a sales force of approximately 100 to work transcribing the names of the photos on Person Finder.


Soon, nearly 1000 photos of names had been uploaded to Picasa, and Google employees could not keep up. Then, in a development of Google did not anticipate, anonymous users voluntarily began to transcribe the names on the photos, using the interactive features of Picasa. Google has also led local authorities and other organizations with missing information for people to share their data. One by one, people and organizations fed information in Person Finder.

Overall, the Finder person has collected 616,300 records, the largest database of Japan for missing persons of the disaster. For Google, the effort is to improve a reputation that could use some browning in Japan. The Street View feature for the cards, adding panoramic pictures on the website of Google Maps, so annoyed the Japanese privacy aware that the company was forced to reshoot his actions less intrusive cameras with image. The disaster in March has given Google unexpected in a way to build its technology in a positive light, business leaders say.

Source: Print Media

Tags: google, japan, tsunami, digital images, disaster management

Is there is an alternative to Biofuels!

Driving a vehicle is an eco-friendly, while many of us are willing to take, and all of us are looking for ways to save on gas if, it's usually a win / win situation, why not think of alternatives which is more cheap and ready available so decision is ours to switch for the new change.

Biofuels and new electric hybrid cars, alternative fuel car for a growing number of alternatives to ethanol subsidies. More and more companies are moving vehicles and other means of alternative fuels and investing in the development, and bio-fuel is a very high growth industry. Of course, biofuels can be used for many other things, the domestic aviation for energy, so there's definitely money in the future success for developers.

Both the short and long term is the question, as an energy source for the vehicles, bio-fuels a viable alternative to traditional fossil fuels? As we have seen with ethanol, it sometimes becomes a great idea in reality do not always pan looks like. It does not make any sense. Different biofuel options offer a better solution?

Here are the vehicles for any type of crops used for biofuels are a viable source of renewable energy debate is about. What are renewable in question, but at what cost? Palm, used for biofuels such as corn and soybean cultivation in many wooded areas or former rich dirty world has had a devastating effect on the environment. Such as "Friends of the Earth" environmental groups, biofuels, bioethanol, biodiesel and other worth the cost, when measured in terms of economic and environmental impacts is not based on the crops.

It seems not so complete. Biofuels and new, the proposed domestic and industrial waste methane capture and use, being developed as an alternative non-food crops, and organic (bacterial biomass conversion into biofuels biodiesel), waste and many more digested energy consumption will pave the way for our future green cars.

Source: Internet

Nuclear reactor technology

A large nuclear fissile nucleus (usually uranium or plutonium 235 - 239) absorbs a neutron nuclear fission, though often the results. Nuclear fission kinetic bursts (called fission products) and the emission of gamma rays and neutrons splits into two or more smaller nuclei and later some of the neutrons and fissionable atoms, releasing more neutrons to produce fission, and also maybe not.

Because of the chain reaction of nuclear fission is more neutrons that go to the part of the change of use of neutron poisons and neutron moderators can control. Nuclear reactors are unsafe conditions are detected to stop the fission reaction in automatic and manual, which needs to close unsafe conditions.

(Start from the bottom), three nuclear - powered ships in 1964, the first nuclear - powered aircraft carrier USS Enterprise in Long Beach with the nuclear operator. The staff on the flight deck of the mass - energy equivalence formula E = mc2, which is on the flight deck.


There are many different designs of the reactor, which is using different fuels and coolants that could integrate the various controls. Some of these sketches are designed to meet a specific need. Reactor for nuclear submarines and large warships, for example, tend to use highly enriched uranium as fuel. The best fuel option can increase the power density of the reactor and extends the useful fuel long-term nuclear loaded once again this is more expensive and higher risk of nuclear proliferation in some on nuclear energy.

Now, many new models for nuclear power generation, which can be collectively known as the four reactors Gen, is a subject of active investigation and may be used in practically generate power in the near future. About these sketches show some new attempt to fission reactors lighter, safer or less of a risk of proliferation of nuclear weapons. Passively safe plants (ESBWR like) that are available to be built and many other designs that should be as infallible and continued. Fusion reactors, may be more useful in the near future, make small or eliminate many hazards associated with nuclear fission.

As there are many trades to be made between the most secure, efficient and technological properties of different reactors sketches many other programs. In times past by decisions taken by different researchers, regulators and technical, which could be assumed safe, and since Chernobyl and Three Mile Island, the major question are now rethinking their consent and to show support they need to be your main consideration.

Cooling System 

A refrigeration system removes heat from the reactor core and transported to another area of the plant, where heat energy can be harnessed to produce energy or useful work to do different ones.Similarly, the hot coolant can be used as a heat source for a boiler and steam turbine boiler steam pressure is going to be one or more electric generators driven.

Flexibility of nuclear 

However, it is often known as nuclear plants are not flexible in the final result, which implies that other forms of energy can be collected in the pattern of high demand. That proved true for most of the larger reactors, it is true at least for some of the latest designs.

In nuclear power plants are used so regularly in the next load on a larger scale in France. A plant for the German Biblis nuclear power plant is designed to reduce its production and 15% per minute between 40 and 100% of its rated power. Boiling water reactor normal capacity after loading, implemented by varying the flow of water recirculation.

Source: Internet

Internet Download Accelerator 5.10

Internet download accelerator is an easy to use and effective download manager that can increase download speeds up to 500 percent. Technology segment multi-cultural views uses the best possible performance for all connection types, broken Download, FTP, HTTP, and HTTPS protocols, firewalls, proxy servers, cookies, redirects, authorization and many different platforms and servers supports. Internet downloads to download and save video from popular video sharing services in the accelerator: YouTube, Google Video, Metacafe and others.


IDA lets you easily into categories with automatic category detection option organizing download management. Drag and drop category list Unique is the ability of management decisions. Another feature original Active Visual Cart technology market, which significantly improve your downloading experience, giving you quick access to programs is more useful. Integrated FTP Explorer lets you conveniently browse FTP sites.IDA Zip archives before loading them with you to browse and select only desired, allowing for downloading files.

IDA I.E, Firefox, Google Chrome, Apple Safari, Mozilla, Opera and others are integrated. In addition, IDA I.E adds a toolbar for Firefox AMD, monitors the system clipboard and cooperates with antivirus programs. Other features include: plug-ins, skins support, developer, site manager, import and export download list, speed modes, downloads history, multi-language interface option download.

IDA or just in my opinion, is said to be one of the best download managers around. As long as your request installed on your computer, looking you in most cases the download speed, and increase the program will definitely benefit from it.

If, for example, downloaded into your browser to access a speed of 10 MB I D A, there are instances where we have got download speeds of more than 200 KB.

However, a very fast download manager Internet Download Accelerator in addition to features that are fun to use one of a series. IDA, and start the installation of the application window to display a list you will select the type of internet connection.

The main interface is well organized and you will see good. The settings menu planning, proxy, site manager and has many useful functions. A very useful feature that can be persuaded to subscribe. If you enable this point to start a download, IDA will be transferred automatically. Capture window, the location on your hard disk where you can specify the file to download.

You can run up to ten simultaneous downloads. Any time you can choose to pause or delete operation downloads. Again to all downloaded files are placed in specific categories. If, for example, download mp3s of these files will be placed in category Music category of software applications and so on.

I really like internet download accelerator. It is very simple, but at the same time, demand is strong. Can be controlled very easily and very quickly. We recommend anyone using this download manager. Think that is really better than DA +, mainly because it is easy to use and very fast.

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