The energy applications of graphene are also extraordinarily rich. Texas’s Graphene Energy is using the film to create new ultracapacitators to store and transmit electrical power. Companies currently using carbon nanotubes to create wearable electronics — clothes that can power and charge electrical devices — are beginning to switch to graphene, which is thinner and potentially less expensive to produce. Much of the emerging research is devoted to devising more ways to produce graphene quickly, cheaply and in high quantities.
Tuesday, May 17, 2011
Tuesday, August 31, 2010
laptop or desktop
Laptop or Desktop? This question may arise if you want to buy a new PC whether for yourself or family. Here are some advantages and disadvantages of having either a laptop or dekstop - choice is yours.
Do I like to travel? Or I often do work outside the office?
If you are in this category, the laptop is the perfect choice for you. No matter whether for business or just traveling, you will find that the laptop is the most ideal choice for you.
If you are a person who likes to travel, you can include pictures taken with digital cameras with easy-you only need to transfer pictures taken into the computer if space in the memory card is full, then you do not have to worry about buying more memory cards. Alternatively, you can watch your favorite video CD purchased at any place you travel as soon as possible. If you are a business, then your business will be more easy, and all potential clients information on permanent and easy to add to your laptop.
No matter whether you travel or business, you can access the Internet easily and for free at most tourist places around the world, including Malaysia. Hotspot facilities in many parts of the country, especially at airports and hotels travel, you can take advantage of Wi-Fi technology if it is accompanied with your laptop. Alternatively, you can also take advantage of current 3G technology on your laptop and get high-speed access to the Internet easily without limit in any place you go.
Are laptops really 'portable' and flexibility?
The statement 'easy to carry anywhere' is limited to the actual laptop. Suppose, if you buy a laptop, and after a while you use it, you'll find that you need to add some other accessories to meet your needs, such as hard disk and DVD RW. If you are lucky, the room at the size of your laptop is limited to force you to use this additional external accessories - in other words, you need to buy external hard disk or DVD RW external USB port that is installed on, rather than the desktop where it can be installed in a Mini Tower Casing. And do not forget to also mentioned - external accessories are far more expensive than internal accessories. For example, hard disk mounted internally (on the laptop or desktop) is more expensive than external hard disk.
What about maintenance and service? Any easier? And cheaper?
In general, servicing and maintenance of desktop PC is much easier than the laptop. You are free to open and install hardware / hardware in the desktop PC with easy compared with the laptop, especially when you have a problem with the computer hardware / hardware. A laptop is the lack of repair or upgrade costs are higher and more expensive. For example, the price for a memory module (RAM) laptop can reach up to two times the price of RAM with similar specifications to the desktop. In addition, the selection of desktop computer gives you the ability to easily upgrade your PC from the laptop because of space casingnya far more narrow and limited.
Are you fan of games or gaming PC?
If your answer is yes, then the desktop is the most ideal choice for you. This is because you will get better video quality on CRT monitor that comes with the computer desktop. In addition, you may want to increase the performance of graphics card and sound card from time to time. But the Mini PCI slot and room for the larger Tower Casing, additions or conversions expansion card for the purpose of upgrading the performance of the PC will be easier and cheaper.
What is appropriate for students?
In general, laptops are the most ideal choice for students, especially students at any institution of higher learning. This is to facilitate students and students to record notes, delivered a presentation in class and less well for Internet access via Wi-Fi connection to the hotspot that is available at most local institutions of higher learning.
However, for students who wish to pursue hobbies PC, such as recognizing the hardware, install and maintain hardware / computer hardware, the desktop is the most ideal choice because of its design that it is suitable for those who want to learn PC hardware knowledge - that you can open, add any internal accessories to your desktop computer.
Do I like to travel? Or I often do work outside the office?
If you are in this category, the laptop is the perfect choice for you. No matter whether for business or just traveling, you will find that the laptop is the most ideal choice for you.
If you are a person who likes to travel, you can include pictures taken with digital cameras with easy-you only need to transfer pictures taken into the computer if space in the memory card is full, then you do not have to worry about buying more memory cards. Alternatively, you can watch your favorite video CD purchased at any place you travel as soon as possible. If you are a business, then your business will be more easy, and all potential clients information on permanent and easy to add to your laptop.
No matter whether you travel or business, you can access the Internet easily and for free at most tourist places around the world, including Malaysia. Hotspot facilities in many parts of the country, especially at airports and hotels travel, you can take advantage of Wi-Fi technology if it is accompanied with your laptop. Alternatively, you can also take advantage of current 3G technology on your laptop and get high-speed access to the Internet easily without limit in any place you go.
Are laptops really 'portable' and flexibility?
The statement 'easy to carry anywhere' is limited to the actual laptop. Suppose, if you buy a laptop, and after a while you use it, you'll find that you need to add some other accessories to meet your needs, such as hard disk and DVD RW. If you are lucky, the room at the size of your laptop is limited to force you to use this additional external accessories - in other words, you need to buy external hard disk or DVD RW external USB port that is installed on, rather than the desktop where it can be installed in a Mini Tower Casing. And do not forget to also mentioned - external accessories are far more expensive than internal accessories. For example, hard disk mounted internally (on the laptop or desktop) is more expensive than external hard disk.
What about maintenance and service? Any easier? And cheaper?
In general, servicing and maintenance of desktop PC is much easier than the laptop. You are free to open and install hardware / hardware in the desktop PC with easy compared with the laptop, especially when you have a problem with the computer hardware / hardware. A laptop is the lack of repair or upgrade costs are higher and more expensive. For example, the price for a memory module (RAM) laptop can reach up to two times the price of RAM with similar specifications to the desktop. In addition, the selection of desktop computer gives you the ability to easily upgrade your PC from the laptop because of space casingnya far more narrow and limited.
Are you fan of games or gaming PC?
If your answer is yes, then the desktop is the most ideal choice for you. This is because you will get better video quality on CRT monitor that comes with the computer desktop. In addition, you may want to increase the performance of graphics card and sound card from time to time. But the Mini PCI slot and room for the larger Tower Casing, additions or conversions expansion card for the purpose of upgrading the performance of the PC will be easier and cheaper.
What is appropriate for students?
In general, laptops are the most ideal choice for students, especially students at any institution of higher learning. This is to facilitate students and students to record notes, delivered a presentation in class and less well for Internet access via Wi-Fi connection to the hotspot that is available at most local institutions of higher learning.
However, for students who wish to pursue hobbies PC, such as recognizing the hardware, install and maintain hardware / computer hardware, the desktop is the most ideal choice because of its design that it is suitable for those who want to learn PC hardware knowledge - that you can open, add any internal accessories to your desktop computer.
TIPS TO CHOOSE MINI LAPTOP SO YOU WONT REGRET!
Followed also by some manufacturers, like HP, Axioo, Acer etc.. It's more prevalent with the presence of the laptop world laptop-class mini-laptops that are suitable for child-sized Toddler - Junior.
For those of you who are looking for a mini laptop that fits with our age, the following tips of interest to you:
1. Mini size, fitted to You that the mobile. 2. It weighs light. If the weight will be difficult when carrying. 3. Easy off heat. This is the most important. 4. Processor, Memory Ram and large capacity hard drive (yes that as needed). Minimum of 1.6 Giga Intel Atom, 1 Giga DDR2 memory, hard drive 160 Giga. 5. Install win xp / vista (Windows XP is much better than Vista kenceng) 6. Batteries can last 4-6 hours. But unfortunately while this battery from the factory default mostly just stand two hours only, unless the product from Acer Aspire One. 7. Over 1 yr warranty. Better to search for products which guarantee a place not far from your city.
I myself have been since the end of december and then use a laptop brand that DJJ AXIOO 616. There are several reasons why I chose these products:
1. Cheaper than similar products from other brands.
It was worth 4.8 Million. Now it's down so 4.5 million (Axioo seem very quick release of new products, so long the product should be spent immediately slammed by the price).
2. 10 Inch screen sizes.
I was again looking for a screen size not too small. I've compared with 9 inch screen turns out to make the eyes uncomfortable.
Axioo LCD screen from 616 DJJ does not make my eyes ache. Good enough in the eyes.
3. In terms of design, different from the others.
One thing that became my hobby is buying something that other people are rarely held. He3 ...
Oops ... why only well-reviewed best aja? Wait a second. Here are some shortages Axioo 616 DJJ should I own:
1. The battery strong for two hours.
It not nice if the internet in hotspots battery exhausted. : (
2. Keyboard too small, less ergonomic.
This is actually my first impression of the clay design of this 616 Axioo DJJ. Where goods Beugh ... I have another message. Yeah ok .. But this turned out to make me happy using the keyboard Axioo, was initially more difficult to type with 10 fingers for a more narrow area of knees. But over time much easier because accustomed. Yes the same as when we typed in HP, also used for long without seeing the letter.
10 best laptop (Acer Aspire One)
AspireAcer Acer Aspire One: This is the best netbook enough for all types of securities less than $ 400. Where Netbooks second generation was competing with the price of laptops, Acer Aspire One can survive a price of $ 379, without cutting or design features. For a small laptop, Aspire One has a large storage capacity. With Intel Atom, offers good performance for simple tasks. Design of portable Internet appliance has received the award, the Japan Good Design Award, one of the leading design awards.
Apple 13 "Apple 13" MacBook Pro: MacBook, one of the best laptop Apple's, have experienced substantial cuts last year and Apple has been doing our best to replace those cut. Series MacBook has aluminum, glass LED screen, and multitouch trackpads. To enter the series Pro, the MacBook has features such as FireWire ports, an SD card slot, a keyboard that lights up, and a term of longer battery from the previous types.
MiniDell Dell Mini 9: Nothing new on the Dell Inspiron Mini 9, but this is a good example to form a mini laptop, without reducing the likelihood of purchase. Inspiron Mini 9 has a 8.9 inch wide screen and using Win XP or Ubuntu Linux. Mini 9 is supported by Intel's Atom to support energy saving performance. An 8GB flash drive makes a Mini not noisy and very fast. Can use up to 1GB of RAM to support the total performance.
StudioDell Dell Studio 15: Dell Studio 15 notebook perfectly illustrates gambungan multimedia and mobility. This Studio Series, worth $ 1.250, has a screen 15 inches, has the same design with the XPS series but worth $ 300 Studio system is cheaper than the XPS. Despite having the same shape, the laptop is 25% thinner and heavier than the XPS, with plastic rather than metal. Other features to support good graphics is the provision of an HDMI output.
Fujitsu LifeBook T2020 lifebookFujitsu: Having almost the same features that its predecessor, the T2010. The difference lies in the 12.1-inch screen with 1280 × 800 pixels. Has a swivel screen and a touch screen.
Fujitsu LifeBook T5010 Tablet PC lifeFujitsu: Fujitsu LifeBook T5010 is a laptop that has a common standard with optical drives, like its predecessor, the LifeBook T4220. Fujitsu posted a 13.3-inch. Lifebook also updated in order to maximize the benefits of Intel Centrino 2 technology. These improvements, coupled with the provided input pen, and a solid design structure. T5010 weighs 9.4 pounds and 1.4 inches thick. Weight can be reduced by removing the DVD drive.
PavilionHP HP Pavilion tx2500z: HP Pavilion tx2500z is an ideal notebook for students. Strong enough to the main notebook and offers considerable flexibility in pricing. tx2500z has the same design and features of its predecessor, the tx2000. Has two times the graphics performance is better, supported by the ATI HD3200 GPU. Another feature is the AMD Turion 64 X2 Dual-Core, 4GB DDR2 system memory, ATI Mobile Radeon HD 3200 and amounted to 12.i-inch touch screen. Screen can be rotated 180 degrees and made to sleep. Accompanied xb4 docking station that serves to attach the speakers and the hard drive.
LenovoLenovo ThinkPad T400: T400 is a middle of the family laptop and the Lenovo ThinkPad is the best laptop available in the market for now. T Series is a combination of solid value, performance and convenience. 14.1-inch laptop is thinner than Lenovo's SL series and R series T400 weighs 1.5 pounds, thin and lightweight, but combined with great energy. 14.1-inch screen has a resolution of 1440 × 900, which is better than most laptops that are outside. Has the Intel Core 2 Duo. Cheaper than the X series and W series T400 worth $ 1.419. Often considered for a business notebook but not suitable for all types of activities. Graphics offer an adequate long-term batteries, and portable. Features a fingerprint reader to protect the data.
ToshibaToshiba Portege M700: Portege M700 offers a smooth transition from notebook to a TabletPC. With Intel Centrino Pro processor technology and supports wireless 802. 11a/g/n, M700 is very productive. M700 has a 12.1-inch widescreen LED display with pen support, touch screen, and graphic adjustment for both in and outdoors. Another feature is the fingerprint reader to log on to Windows or your favorite website, the screen can be rotated and put to bed, a webcam with LED lighting, and a resolution of 1280 × 800.
Sony Vaio CS CSSony VAIO: Sony VAIO CS offers a combination of power with a variety of color patterns; color is designed to equate with the character. CS Series features a 2.80Ghz Intel CoreTM 2 Duo, Windows Vista Ultimate or another edition, 14.1-inch LCD screen, 320GB hard drive, and 4GB RAM. Duration battery for 4jam and weighs 7.5 lbs.
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