After Hours

Desktop Wallpaper: The spectacle of underwater photography

A Caribbean spiny lobster

A Caribbean spiny lobster on the sea floor. This photo was shot during a 2010 NOAA expedition in the U.S. Virgin Islands to map underwater habitats and the marine life they support.

Credit: NOAA


Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to,, and TechRepublic.