Inkless printing? It doesn't seem possible. But one company's prototype inkless printer can print as well as erase documents. That means paper can be reused. How green is that? See more »

Bubble jet printers are a type of inkjet printer. What makes this version so popular? See more »

A printer that fits in your pocket? Won't ink drip out of it and stain your clothes? Not with this ink-free portable device. Snap a photo with your digital camera or cell phone and print it instantly. See more »

Inkjet printers shoot miniscule droplets of ink onto paper to create a seemingly fluid stroke. And with prices dropping since their introduction in the late 1980s, these printers are more popular than ever.  See more »

Laser printers are fast, precise and inkless. So how do the words get there? How can a laser beam write on paper? Read about laser printer technology. See more »

Offset printing is the technology that makes most magazines and catalogs possible. See how the offset printing process puts full-color images on paper. See 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. See more »

Scanners vary in resolution and sharpness, and their dots per inch (dpi) are determined by two "sampling rates." Find out how they affect your scanner's functionality. See more »

Regular printers are pretty handy, but their up-and-coming cousins, 3-D printers, add a whole new dimension to the printing process. Literally! How much do you know about the fascinating field of 3-D printing? Take this quiz and find out! See more »

The strange bumps on your computer cables actually serve a very important purpose - keeping your system free from radio and electromagnetic interference. Learn how they do it. See more »