After Hours

Desktop Wallpaper: The spectacle of underwater photography

Yellowfin Goatfish

Yellowfin goatfish at Kure Atoll in the Northwestern Hawaiian Islands.

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.