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Operating Systems

Submission + - Linux kernel 2.6.31 released

diegocgteleline.es writes: "The Linux kernel v2.6.31 has been released. Besides the desktop improvements and USB 3.0 support mentioned some days ago, there is an equivalent of FUSE for character devices that can be used for proxying OSS sound through ALSA, new tools for using hardware performance counters, readahead improvements, ATI Radeon KMS, Intel's Wireless Multicomm 3200 support, gcov support, a memory checker and a memory leak detector, a reimplementation of inotify and dnotify on top of a new filesystem notification infrastructure, btrfs improvements, support for IEEE 802.15.4, IPv4 over Firewire, new drivers and small improvements. The full list of changes can be found here."

Comment Re:Go pi Go (Score 1) 573

The circumference is 2*pi*r if you use the radius instead of the diameter.
The area is 2*pi*r^2/2 which makes it clear that it's the integral of the circumference.

The circumference of the unit circle is 2*pi.
And so on...
Christmas Cheer

30 Years of LucasFilm Staff Christmas Cards 72

An anonymous reader found that "For the last 30 years, Lucasfilm has created special holiday greeting cards for its employees and business partners. For the first time ever, we have compiled most of the Star Wars-themed Holiday Cards on one page." My favorite is 2005. That would make a cool poster or something.
Robotics

Submission + - Robots that bounce in bed (nytimes.com)

nem75 writes: "The NY Times has a review of British AI researcher David Levy's book "Love and Sex with Robots". He claims that within a span of about 50 years the day will come, when people could actually fall in love with life-like robots and want to live with them instead of a human mate. While this may seem far fetched at first, he has some pretty interesting views on this. Like the sexual part being the easyest thing, what with brothels exclusively offering life-like sex dolls already existing in Japan and South Korea. The case he builds goes much further though, and certainly provides food for thought."
Software

Submission + - Open source takes aim at high-cost math software (networkworld.com) 2

coondoggie writes: "A new open source mathematics program is looking to push aside commercial software commonly used in mathematics education, in large government laboratories and in math-intensive research. The program's backers say the software, called Sage, can do anything from mapping a 12-dimensional object to calculating rainfall patterns under global warming. http://www.networkworld.com/community/node/22768"

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