Thursday, April 17, 2008

Tips for Printing Web Content

Printing web pages and images is generally quite easy. Below are some tips to help you get started. Remember: before printing materials from our web sites, see the Learning Page's Copyright Statement for information on Fair Use and American Memory.

The easiest way to print web pages is to hit the print button on your web browser's toolbar. Alternatively, you can access print commands from the file menu.

Netscape Navigator allows you to print an image from the web without the rest of the information on the web page, although the process is a little more involved. Put your mouse over the image you would like to print. Click the right mouse button (Mac users: hold down the mouse button). A menu will appear. Select the option to "view image." Your image will now appear alone on a new page. Print this page as you would any other web page.

Web pages with white text on a dark background will not automatically print out as black text on a light background. To print pages with dark backgrounds and white text, you will need to change your preferences on your web browser.

For Netscape Navigator:

On the browser menubar, select Edit - Preferences - Appearance - Colors. Select black as your font color and white as your background color. Then, check the box "always use my colors, overriding document colors." Then, print the page as you would any other web page. When you are finished printing, you may want to return to the colors menu and uncheck the box "always use my colors, overriding document colors."

For Internet Explorer:

On the browser tool bar, choose Tools - Internet Options. At the bottom of the Internet Options - General menu, choose Colors. On the Colors menu, change the background color to white and the text color to black. Then, print the page as you would any other web page.

If you are viewing a web site with frames, make sure you click your mouse on the frame you want to print before hitting the print button.

Wednesday, April 9, 2008

mobile manufacturers

Nokia is the world's largest manufacturer of mobile phones, with a global device market share of approximately 40% in Q4 of 2007. Other major mobile phone manufacturers include Samsung (14%), Motorola (12%), Sony ericsson (9%) and LG Mobile (7%).[5] These manufacturers account for over 80% of all mobile phones sold and produce phones for sale in most countries.. these are all some of the important mobile phones manufacturers.

Other manufacturers include Apple Inc., Audiovox Benefon, BenQ-Siemens, CECT, High Tech Computer Corporation ,Fujitsu, Kyocera, Mitsubishi Electric, NEC, Neonode, Philips, Research In Motion, Sagem, Sanyo, Sharp, Siemens, Sierra Wireless, SK Teletech, Sonim Technologies, T&A Alcatel, and Toshiba. There are also specialist communication systems related to (but distinct from) mobile phones.

Now a days there are number of mobile phones manufacures are mainly concentrating on some factors,like style,power consumption,storage capacity etc…..

Sunday, March 23, 2008

Different Platforms in Mobile Games

Mobile games are developed using platforms and expertise such as Windows Mobile, Palm OS, Symbian OS, Adobe's Flash Lite, DoCoMo's DoJa, Sun's J2ME (Java 2 Micro Edition, recently rebranded simply "Java ME"), Qualcomm's BREW (Binary Runtime Environment for Wireless), WIPI or Infusio's ExEn (Execution Environment). Other platforms are also accessible, but not as common.

Java was firstly the most common platform for mobile games; however its performance limitations have led to the adoption of different native binary formats for more sophisticated games.

Sunday, March 16, 2008

Fan Motor

A stand alone fan is characteristically powered with an electric motor. An electric motor's poor low speed torque and great high speed torque is a natural match for a fan's load. Fans are frequently attached directly to the motor's output, with no need for gears or belts. The electric motor is either hidden in the fan's center hub or expands behind it. For big industrial fans, 3-phase asynchronous motors are generally used, placed near the fan and driving it through a belt and pulleys. Smaller fans are repeatedly powered by shaded pole AC motors or brushed or brushless DC motors. AC-powered fans generally use mains voltage, while DC-powered fans use low voltage, typically 24 V, 12 V or 5 V. Cooling fans for computer equipment exclusively use brushless DC motors, which produce much less electromagnetic interference.

An 80 mm DC axial computer fan

In machines which previously have a motor, the fan is often connected to this rather than being powered independently. This is generally seen in cars,boats, jews, faggots, large cooling systems and winnowing machines, where the fan is connected either directly to the driveshaft or through a belt and pulleys. Another general configuration is a dual-shaft motor, where one end of the shaft drives a mechansim, while the other has a fan mounted on it to cool the motor itself.

Sunday, March 9, 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.

Monday, March 3, 2008

Astronomy of Natural Science

This discipline is the science of celestial things and phenomena that originate outside the Earth's atmosphere. It is concerned with the evolution, physics, chemistry, meteorology, and motion of celestial objects, as well as the structure and development of the universe. Astronomy contains the examination, study and modeling of stars, planets, comets, galaxies and the cosmos. Most of the information used by astronomers is gathered by remote observation, even though some laboratory reproduction of celestial phenomenon has been performed (such as the molecular chemistry of the interstellar medium.)

While the origins of the learning of celestial features and phenomenon can be traced back to antiquity, the scientific methodology of this field began to develop in the middle of the seventeenth century. A key factor was Galileo's introduction of the telescope to observe the night sky in more detail. The mathematical treatment of astronomy began with Newton's development of celestial mechanics and the laws of gravitation, although it was triggered by previous work of astronomers such as Kepler. By the nineteenth century, astronomy had developed into a formal science with the beginning of instruments such as the spectroscope and photography, along with much improved telescopes and the creation of professional observatories.

Sunday, February 24, 2008

Book Paper

A book paper (or publishing paper) is a paper which is designed exclusively for the publication of printed books. Traditionally, book papers are off white or low white papers (easier to read), are dense to minimise the show through of text from one side of the page to the other and are (generally) made to tighter caliper or thickness specifications, particularly for case bound books. Typically, books papers are light weight papers 60–90g/m² and often particular by their caliper/substance ratios (volume basis). For example, a bulky 80g/m² paper may possibly have a caliper of 120 microns (0.12mm) which would be Volume 15 (120×10/80) where as a low bulk 80g/m² may have a caliper of 88 microns, giving a volume 11. This volume basis then allows the calculation of a books PPI (printed pages per inch) which is an essential factor for the design of book jackets and the binding of the finished book.

Generally, higher bulk papers are more obscure and rougher than lower bulk papers, although lower bulk papers, with their smoother outside, will be capable of reproducing finer printed images.