Learn how zip files work for storage and transmission of files.

An online guide to home equity loans can be found here. The site compares home equity loan rates and credit lines. It can be searched by zip code.

When the World Trade Center's Twin Towers opened to the public in 1973, they were the tallest buildings in the world. Statistics: They rose a quarter-mile in the sky, contained 15 miles of elevator shafts, and nearly 44,000 windows. From...

This article describes the steps necessary to unzip a file. It has screen shots and a video tutorial.