Monday, May 19, 2008

Laptop computers

Bigger, crisper displays and more usable key layouts have replaced small screens and cramped keyboards on laptop computers. Processors have caught up in speed with desktop models, and innovative dual-core processors are also available. Fast CD- and DVD-recording drives are common, as are ample hard drives.

As computers become a repository for digital photos, music, and video, manufacturers are making laptops and their peripherals increasingly competitive with home-entertainment systems.

And a growing interest in wireless computing plays to the laptop's main strength: its portability.

A laptop is the most convenient way to take full advantage of the growing availability of high-speed, wireless Internet access at airports, schools, hotels, restaurants, and coffee shops.

Most laptops now have wireless networking capability built in and deliver commendably long battery life. The thinnest laptops on the market are less than an inch thick and weigh just 3 to 5 pounds. But to get these light, sleek models, you'll have to pay a premium and make some sacrifices in performance, screen size, and features.

A desktop computer typically costs less for equivalent performance and is easier to upgrade, expand, and repair. It usually offers better ergonomics, such as a more comfortable keyboard, bigger eye-level display, and enhanced audio. But as costs plummet, a laptop computer is your best choice if portability and compactness are priorities.

Monday, May 05, 2008

Printers

More and more households are buying printers that do more than print. All-in-ones, as they are known, let you print, scan, copy, and, often, fax. And many cost no more and take up little more space than a regular printer.

What's more, all-in-ones are actually getting cheaper and more versatile. As a group, the inkjet all-in-ones we tested for our printers review cost less than those we evaluated two years ago. Some of the models in our Ratings of all-in-one printers (available to subscribers) cost $100 or less. And a $140 model that ranked among the best performers (available to subscribers) is a CR Best Buy.

Manufacturers have been giving all-in-ones more features. Examples include networking, which lets you use the unit from any computer in either a wired or wireless home network; an LCD photo viewer; and a memory-card reader.

We also tested and Rated regular inkjet printers, laser all-in-ones (both available to subscribers), and regular laser printers. Most of the regular inkjets lacked LCD viewers and card readers. That suggests a downward trend in such printers' features because most of the ones we tested last year offered both.

While budget inkjet printers have become Spartan, inkjets that prints on sheets as large as 13x19 inches have become less expensive. Canon offers the Pixma Pro9000, $500, Epson the Stylus Photo R1900, $550, and HP the Photosmart Pro B8850, $550. (We haven't evaluated those models.)

In our tests, inkjet all-in-ones and regular inkjets performed similarly, cost about the same to use, and printed at similar speeds. A few inkjet all-in-ones and regular inkjets printed a color 4x6 in less than 2 minutes, and a few relatively frugal ones printed one for less than 40 cents. Among the laser printers we tested in the printers review, there was only one clear-cut performance difference: The regular lasers were noticeably faster at printing text than the all-in-one lasers.

Is an all-in-one printer right for you? See our free Buying Advice on printers to help you decide which type of printer is best suited for your needs.

Monday, April 21, 2008

KidsHealth

KidsHealth is the largest and most-visited site on the Web providing doctor-approved health information about children from before birth through adolescence. Created by The Nemours Foundation's Center for Children's Health Media, the award-winning KidsHealth provides families with accurate, up-to-date, and jargon-free health information they can use. KidsHealth has been on the Web since 1995 — and has been accessed by about half a billion visitors. On a typical weekday, more than 500,000 visitors access KidsHealth's reliable information.

KidsHealth has separate areas for kids, teens, and parents — each with its own design, age-appropriate content, and tone. There are literally thousands of in-depth features, articles, animations, games, and resources — all original and all developed by experts in the health of children and teens.

Physicians and other health experts review all content before it's published on KidsHealth. All content is re-reviewed on a regular basis (about every 1 to 3 years, or more frequently if needed). You can find the most recent review date and the name of the expert reviewer(s) at the end of each article. You can learn more about how we create our content by visiting our editorial policy page.

Thursday, April 17, 2008

About the Statewide Telecommunications and Network Division

The Department of Technology Services Statewide Telecommunications and Network Division (STND) provides an integrated information network for the State of California. We provide a broad range of vital telecommunications and networking services, including telecommunications consulting. We also offer State officials expert advice and assistance in evaluating and planning for the future telecommunications needs of California.

Challenges

STND provides telecommunications and networking services to a state with the sixth largest economy in the world, encompassing 163,000 square miles and 1,800 state and local agencies. We meet this challenge by educating ourselves and our customers on the latest technology offerings, listening to our customers needs and providing effective business solutions.

Focus

STND's focus is to provide the highest levels of service, products and expertise to the State. We do this through:

* Customer Advocacy
Actively researching, recommending and providing cost efficient business solutions to our customers.
* Contract Development, Negotiation, and Administration
Negotiating and administering integrated information network products, services and consulting contracts for use by all State agencies, departments, cities, counties and other local jurisdictions.
* Vendor Management
Guiding vendors in the implementation of products and services to ensure that customers' business needs are met.
* Regulation, Communication and Compliance
Providing business solutions to meet customer needs while following California Public Utility Commission (CPUC) and Federal Communications Commission (FCC) rules and tariffs.
* Technical Expertise
Striving to be the center of competence, expertise and leadership for integrated information network technologies and services in the State.
* Telecommunications and Networking Strategists
Working closely with the State Chief Information Officer, the Department of Finance, State Procurement, and others to develop and implement consistent, standard State Telecommunication and information technology policies and strategies.

Sunday, March 23, 2008

A Mobile Game

A mobile game is a video game has fun on a mobile phone, Smartphone, PDA, handheld computer or any type of handheld or wireless device.

Mobile games are played using the technologies current on the device itself. For networked games, there are different technologies in common use. Examples contain text message (SMS), multimedia message (MMS) or GPRS location identification.

However, there are non networked applications, which simply use the machine platform to run the game software. The games may be installed over the air, they may be side loaded onto the receiver with a cable, or they may be embedded on the handheld devices by the OEM or by the mobile operator.

Mobile games are generally downloaded via the mobile operator's radio network, but in some cases are also loaded into the mobile handsets when purchased, or via infrared connection, Bluetooth or memory card.

Sunday, March 16, 2008

Household Electric Fan

A mechanical fan is a device used to create an airflow for the purpose of creature comfort, ventilation, exhaust, or any other gaseous transport.

Mechanically, a fan can be any rotating vane or vanes used for producing currents of air. Fans produce air flows with high volume and low pressure, as opposed to a gas compressor which creates high pressures at a comparatively low volume. A fan blade will often rotate when exposed to an air stream, and devices that take advantage of this, such as anemometers and wind turbines often have designs alike to that of a fan.

Typical applications contain climate control, cooling systems, personal comfort (e.g., an electric table fan), ventilation (e.g., an exhaust fan), winnowing (e.g., separating chaff of cereal grains), removing dust (e.g. sucking as in a vacuum cleaner), drying (usually in addition to heat) and to provide draft for a fire. It is also general to use electric fans as air fresheners, by attaching fabric softener sheets to the protective housing. This causes the fragrance to be carried into the immediate air.

In addition to their utilitarian function, vintage or antique fans, and in exacting electric fans manufactured from the late 1800s through the 1950s, have become a recognized collectible category, and in the U.S.A. an active collector club, the Antique Fan Collectors Association, supports the hobby.

Sunday, March 09, 2008

Origin of ice age theory

The plan that, in the past, glaciers had been far more extensive was folk knowledge in some alpine regions of Europe (Imbrie and Imbrie, p25, quote a woodcutter telling de Charpentier of the former extent of the Swiss Grimsel glacier). No single person imaginary the idea. Between 1825 and 1833, Jean de Charpentier assembled proof in support of this idea. In 1836 Charpentier influenced Louis Agassiz of the theory, and Agassiz published it in his book Étude sur les glaciers of 1840.

At this early stage of knowledge, what were being studied were the glacial periods within the past few hundred thousand years, during the present ice age. The far previous ice ages' very existence was unsuspected.