The long anticipated phenomenon of 3D printing, which the futurists have long identified as a potential “disruptive technology,” truly arrived this month with the appearance of the first 3D-printing controversy: 3D printing of cheap hand guns. Pop science prognosticators who have been bleary-eyed over the “promise” of 3D printing seemed caught off guard by the appearance of the first 3D guns. (You mean this wasn’t just for printing heart valves and Ironman exoskeletons?) At last, 3D printing was not just a quirky popular science oddity, but something that could serve as the fodder for moral arguments – by both sides, and a blogosphere seemingly thrilled to have some new material for speech making and hand wringing.

Processing images with a high dynamic range – that is, an image with a wide range of values between its bright and dark areas – is possible with open source Luminance HDR.

The Alfresco collaboration tool lets you track documents, share content, and collaborate with team members – and it integrates nicely with Microsoft SharePoint.

Kurt looks at the practice of code signing and examines why so few upstream open source projects actually do it.

News

• US gov embraces open data
• Apache Cdorked.A exploit discovered
• News Bites

New Intel CEO

• FSF scolds W3C
• Torvalds releases Kernel 3.9
• Xen new LF collaboration project

Operating Systems

• Debian 7.0“wheezy” debuts
• Windows XP most likely to be victim of attack.

Blogs have evolved from private diary to professional tool, and if you manage more than one WordPress installation, administration support would be useful. Three tools can help.

News

• Gnome 3.8 released
• Aereo wins battle to stream broadcast TV

openSUSE 12.3 Out

• New browser engine
• Pirates on the run
• Ubuntu reduces non‑LTS support

Projects

• OpenDaylight open source framework
• ASF promotes CloudStack

Most people starting a blog will almost automatically turn to WordPress, which calls for PHP, a database, and regular security updates … and thus a lot of attention. With the small Jekyll template engine, you can avoid all that.