Chat rooms give us the chance to discuss anything and everything with people around the world. How do you get started, and what do you need to watch out for? more >>

Cloud computing occurs when applications and files are stored on a large, centralized supercomputer or network. It's rumored that Google and Apple are joining forces to bring a cloud computer to the masses. What would it be like? more >>

Grid computing applies the resources of a whole network of computers to solve problems. But how do you ensure access to information without creating digital deadlock? more >>

Someone at the CIA is editing Wikipedia entries about lightsabers. How do we know? The Wikipedia Scanner. It was created to catch politicians, corporations and government agencies trying to change their Wikipedia entries anonymously. more >>

The evolution of dance, a laughing baby, Filipino inmates performing Michael Jackson's "Thriller" video: This is what we watch on YouTube. How did it get there? more >>

Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access" because you can access any memory cell directly if you know the row and column that intersect at that cell. Learn all about what RAM is, what kind you should buy and how to install it. more >>

Chat rooms give us the chance to discuss anything and everything with people around the world. How do you get started, and what do you need to watch out for? more >>

In the not-too-distant future, disabled people could be able to control a motorized wheelchair, the Audeo, with only their thoughts. How could the same technology also restore speech to people who are unable to talk? more >>

Before the digital camera explosion, flatbed scanners were the way to get images into a PC and online. These devices turn images on paper into data you can access on a computer. Find out how scanners analyze, process and transfer images. more >>

The simple idea behind PayPal -- using encryption software to allow people to make financial transfers between computers -- has turned into one of the world's primary methods of online payment. more >>

HowStuffWorks Computer gets you explanations, reviews, opinions and prices for the Internet, home networking, hardware, and software. more >>

Air conditioners vary in size and efficiency. Before you shop, learn the important features to look for with Consumer Guide's Air Conditioner Buying Guide. more >>

Air conditioners should be large enough to cool the room but not so big that they waste energy. Read the expert reviews of air conditioners at Consumer Guide. more >>

Air purifiers can clean the air in your home, but there are different types of models that specialize in clearing different pollutants. Let Consumer Guide educate you on how to shop. more >>

Air purifiers with HEPA filters can help those with asthma or allergies breathe easier. Read Consumer Guide's expert reviews of air purifiers before you buy. more >>

Dehumidifiers can help dry the air in parts of your home that do not have adequate ventilation. Compare dehumidifiers in the expert reviews on Consumer Guide. more >>

Product reviews and buying guides from Consumer Guide and HowStuffWorks help you shop smarter. Get expert advice and compare prices from retailers across the Web. more >>