VOIP Phreaking…
Intro to SIP hacking slides from the 22nd Chaos Communication Congress “Within the last year VoIP devices and applications flooded the market. SIP (Session Initiation Protocol) became the industry standard although it’s still under constant development. VoIP networks converge with the PSTN and thus offer ways and means for new (and old) attacks. The talk gives a brief introduction on how various components in the VoIP universe interact. The main part deals with implementation problems within SIP in both end user as well as ISP site devices and applications.” [via] Link.
“A speed trap measures the timing of events or speed of projectiles “This is a very affordable and simple to build speed trap based on the PIC 16C84 microcontroller. The goal was to use as few parts as possible while adding as many useful features as possible.” 
Peter writes “Gijs Geiskes has posted his latest monster creation: a sequencer that syncs to Game Boys running LSDJ, and controls other goodies like Walkmans, Stylophone keyboards, and more. He’s posted full circuit diagrams so you build on your own. (See his 
Cory Linden with some details on the Linux version of Second Life previewed at 22C3, the Chaos Communications Congress hosted by Germany’s Chaos Computer Club in Berlin. “What made this talk especially exciting was that it was the first public showing of the Second Life client on Linux. On a laptop that arrived the day before leaving. With a version of the client that Icculus’ finished while I was waiting to board my flight our of SFO. With an ATI card.” 
Ellen writes “Children have been clamoring for Floam, a micro-beaded modeling clay that has been heavily and attractively advertised. Unfortunately, people who have ordered Floam report long delays and deceptive business practices. Instead, make your own Floamâ„¢-like clay in whatever quantities and colors you like. We found several anonymous recipes online. My husband Keith Golden tried three different recipes, then refined the best one. The result is virtually identical to Floamâ„¢ (except for smelling better).” 
GoRobotics writes “LEGO is finally rehauling it’s Mindstorms kit. At the Las Vegas Consumer Electronics Show (CES) in early January, LEGO Group announced LEGO MINDSTORMS NXT, a new system that redefines the consumer robotics category which the company created in 1998. Robot Magazine has pictures and video. Press release