After Hours

Desktop Wallpaper: NASA concept art

Subsonic fixed wing aircraft

An artist's rendering of the potential design for a subsonic fixed wing aircraft that could enter service in the 2030-2035 timeframe (N+3). Credit: Massachusetts Institute of Technology. Image credit: Massachusetts Institute of Technology



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.