We look to the Internet for news, socializing, shopping, research and more. From HTML code to instant messaging, we'll break down what's really going on whenever you log on, send an e-mail, visit a popular Web site or post to a blog.
One of the most unique business models spawned by the Web is the Application Service Provider. Learn all about this innovative Internet-based software-publishing model.
How Broadband Over Powerlines Works
Imagine plugging your computer into any electrical outlet in your home and having high-speed Internet access instantly. Power line broadband is offered in a few U.S. cities, but there are groups and government agencies fighting to block further development. What's the controversy about?
Under the impression that dial-up modems are out of style? Actually, tons of folks still use dial-up Internet access. Find out how high-speed dial-up makes the most of the original connection method.
A college student in Wisconsin hears a dj in Jamaica play the latest calypso tune. An advocacy group unites members across the country via a private broadcast. It's made possible by Internet radio, the latest innovation in radio broadcasting since the business began in the early 1920s.
Think you know how routers work? These devices use intricate formulas to figure out exactly where to send a packet and how to get it there. Learn all about routing algorithms.
WiMAX has hit technology news in a big way. This networking system can blanket a 30-mile radius with broadband access compared to Wi-Fi's 300-foot range. Learn all about WiMAX.
Before the Internet, there was ARPANET. Based on a governmental initiative, ARPANET built the World Wide Web from the ground up.
How do large Web sites handle the load of millions of visitors a day?
As you sit waiting for a page to load on a large website, do you ever wonder how they handle so many visitors? And what happens if a site gets swamped with more people than it can handle?
What's so special about a T1 line? It means the phone company has brought a fiber optic line into your office that can carry data at a rate of 1.544 megabits per second!
How does satellite Internet operate?
How do you access the Internet other than dial-up if you live too far from a phone company office for DSL and there is no cable TV on your street? Satellite Internet access may be worth considering.
How Interplanetary Internet Will Work
How far will the Internet go? The next phase of the Internet will take us to the far reaches of our solar system and lay the groundwork for a communications system for manned missions to Mars and planets beyond.
Net neutrality can be summed up by a familiar saying: If it's not broken, don't fix it. But how you define "broken" determines in where you stand. Find out why telecom providers are duking it out with content providers like Google and Amazon.
Which is better to use for a cable modem -- a USB connection or an Ethernet card?
There are too many variables to make a generalization about whether Ethernet or USB is the better way to connect your home computer. Read this article to learn how to pick the right one for your system.
Why the difference in speed with my cable modem?
It can be truly frustrating -- one minute you're zipping along just fine, the next, you can't get one page to load. What's causing the backup? Cable modems are part of a loop that begins at the cable company's central office, goes through a certain neighborhood or area, and comes back to the central office.
If you're online a lot, you use domain name servers hundreds of times a day -- and you may not even know it! Find out how this global, usually invisible system helps get Web pages to your machine.
The Webby Awards are the premier awards honoring excellence on the Internet. Read up on the Webbys and learn why almost no one thanks the Academy (even though there is an Academy to thank!)
Most of us encounter Internet-based ads on a daily basis, and some of us have the misfortune of being utterly bombarded. Does anyone actually click on those things? Find out all about the world of Web advertising.
Still planning on getting your own site up on the Web? This article explains the art and science of website creation, from basic HTML to promoting your site worldwide.
When you type a Web site address into your browser Web servers are doing the work of getting you the page you request. Find out how these machines locate Web pages and deliver them to your computer.
How does JavaScript work and how can I build simple calculators with it?
Basically, JavaScript is what is called a Client-side Scripting Language. That means that it is a computer programming language that runs inside an Internet browser. Of course, there's more to it than that ...
Internet experts can't agree on what exactly Web 2.0 is. Is it a newer, more interactive version of the Internet? Or is it a marketing ploy?
These days, you can find animated figures all across the Internet! Ready to give life to your own creations? Learn about dynamic HTML, animated GIFs, Java, Shockwave and Flash animation techniques.
If I want to get started creating my own Web site what do I have to do?
Are you ready to get your brilliant idea online and active? Here's the breakdown of what you'll need to do.
Do you get the shakes when you're offline for more than 10 minutes? The wireless Internet lets you browse Web pages from a cell phone or PDA. Learn about the Wireless Application Protocol that makes it possible to surf on the go.
Wireless networks are easy to set up and inexpensive. They're also unobtrusive -- unless you're on the lookout for a place to use your laptop, you may not even notice when you're in a hotspot.
How the Airborne Internet Will Work
Imagine using a high-speed wireless Internet connection originating from an aircraft flying over your city. Learn about the airborne Internet and how you might use this technology in the near future.
Boolean logic is the key to many of a computer's most mysterious and human-like functions, from playing chess to balancing a checkbook. How do "AND," "NOT" and "OR" make such amazing things possible?
How Internet Infrastructure Works
Do you ever wonder how the Internet really works? How do Web pages, e-mail and music move to and from your computer? Learn all about the amazing global network we call the World Wide Web.
How Internet Search Engines Work
Internet search engines are special sites on the Web that help people find information stored on other sites. There are differences in the ways various search engines work, but they all perform three basic tasks.
MapQuest made online mapping and navigation indispensable with alternate routes and the most up-to-date information. How does this complex system work?
Social networking and e-commerce may be all the rage, but many internet pioneers originally used the Internet for sharing ideas among large groups of people. Newsgroups were fundamental to early internet communication, and they're still good sources of information today.
Is higher education ready to enter the digital age? Many people think so -- more and more colleges and universities are offering online classes and even full degrees.
PayPal is one of the world's primary methods of online payment, with more than 86 million accounts worldwide. Find out how to send and receive money with PayPal and learn how funds are transferred from one account to another.
The World Wide Web is known for its nearly unprecedented "free content." But can it stay that way? Learn how the penny-per-page revenue model might work.
Take the legwork out of your pet search! Learn how Petfinder.com got started, how shelters and rescue groups use it and how you can find a new member for your family on the site.
You block, it you filter it, you unsubscribe from lists -- and still it lands in your inbox. If you have an e-mail account, chances are you also have spam. Find out how the spammers find you and what you can do about them.
How the Wikipedia Scanner Works
Someone at the CIA is editing Wikipedia entries about lightsabers. How do we know? The Wikipedia Scanner. Find out what Rush Limbaugh and Apple have to do with the WikiScanner.
What is this click fraud that is costing Google billions?
In recent years, Google has faced lawsuits related to its response to click fraud, a practice that leads to increased ad revenue for Google. Find out how click fraud works and how it affects the search-based advertising industry.
What's new about the new Internet Explorer?
Five years after the debut of IE6, Microsoft released the first truly upgraded version of its Web browser. Take a look at what made it such a dramatic improvement.
While .html may be the most common file extension, what do the others mean? What about .htm, .asp or .php?
How do viruses and worms spread in e-mail?
From Trojan horses, to worms and viruses, we give you the skinny on how viruses can infect your system through email.
Mahalo is a search engine that aims to give users a hassle-free experience. Behind every search result is a real live person -- not an algorithm. Who are the Mahalo guides and how do they build search results?
Digital cameras can make some things easier, but digital photography requires an understanding of file types and sizes. Find out how to make the best use of them here.
What are the standard top-level domain names and who controls them?
Most programs written in the C programming language are relatively immune to the Y2K problem, but suffer instead from the Year 2038 problem. Learn how the standard time library works and what it has to do with the year 2038.
What causes things like fatal exception errors and invalid page faults?
Even though there is nothing you can do with the cryptic error messages your computer gives you during a problem, it might be nice to at least know what they mean! Find out what the three most common error messages mean.
What do you call the symbol used in e-mail addresses?
The funny little "a" with its tail circling back around it is probably one of the most commonly used symbols today. So it is truly amazing to learn that there is no official, universal name for it.
Cookies have, for some reason, gained a rather sinister image, but a cookie is just one or more pieces of information stored as text strings on your machine. Find out how they work and how they got their dangerous image.
Your IP address is your one of your computer's identification methods. To make it easier for us humans to remember, IP addresses are normally expressed in decimal format as a "dotted decimal number."
Have you ever wondered about the MIME that you see in some of your emails? Find out how it helps you receive and open attached files.
Where are all the Internet domain names registered and maintained?
One of the greatest things about the Internet is that nobody really owns it. It is a global collection of networks, both big and small, that connect together to form the single entity that we know as "the Internet." How is this possible?
Why are there so many broken links in search engines?
It's a frustration most of us encounter daily - the broken link. It's especially annoying when you're really looking forward to that page you expect to load! Find out what (besides human error) creates broken links.
Why do some Web sites include www in the URL while others don't?
Once you spend a good deal of time on the Web, you start learning the language of internet addresses. Have you come across sites that use something in place of www? (Hint: you're on one now!)
Why does my Web browser display some book-marked sites with a custom icon?
To make it easier to pick out a particular link from your list of favorites, Internet Explorer versions 5.0 and higher include custom bookmark icons for some sites. Learn how they do it and how these icons make your web surfing easier.
Why is it that some Web pages seem to trap me so I cant get out?
When you try to leave a Web site, either by using the Back button or by closing the browser, the site reappears in a new window. Or maybe the site pops up in three or four new windows when you try to leave it. What's going on?
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