Visualizing water droplets and building a CT scanner - Hack a Day

http://hackaday.com/2012/08/26/visualizing-water-droplets-and-building-a-ct-scanner/

Image of the Day: The Observable Universe in 3D

http://www.dailygalaxy.com/my_weblog/2012/06/image-of-the-day-the-observable-universe-in-3d.html