Finding young women to fill tech jobs continues to be a problem for the German information technology (IT) industry, according to a new study from German technology and telecoms association Bitkom and research firm Forsa. Women accounted for 9 percent of the 40,500 trainees in the sector in 2009, down from 14 percent in 2001. Meanwhile, just 15 percent of students pursuing computer science studies at universities last year were women. The industry still has to contend with negative perceptions, such as those about the workload and opportunities for advancement, says Bitkom’s August-Wilhem Scheer. “Many preconceptions can be easily corrected,” Scheer says. “The image of the lonely programmer who spends his nights in a basement and cannot find a partner is really dated.” The industry continues to hold Girls’ Days to get more young women interested in IT and communication technology, and companies have begun to implement their own programs for attracting female employees.
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Malicious content on the Web can be very difficult to stop, said security experts at the recent Source Boston computer security conference. The difficulties involved in stopping malicious Web content can be seen in the 2008 shutdown of the malicious hosting company McColo, which at one point was responsible for more than 66 percent of the spam on the Internet. Although that spam stopped when McColo was shut down, botnets, such as the Grum, have taken its place, according to FireEye security researcher Alex Lanstein. He says that he has tried and failed to shut down SteepHost, the Ukraine-based company that is hosting the block of IP addresses that Grum uses for its attacks. But even if malicious hosting companies such as SteepHost were shut down, another company would quickly replace it, Lanstein says. An additional obstacle involved in stopping malicious Web content is the fact that IP addresses cannot be confiscated as long as their owners have paid for them, Lanstein says. Rapid chief security officer HD Moore says that it will continue to be difficult to shut down malicious hosting companies after IPv6 is introduced, since the implementation of the protocol would enable companies to purchase large blocks of IP addresses in order to evade tracking.
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Inspired by the sandfish lizard, researchers at the Georgia Institute of Technology are collaborating with Northwestern University’s Paul Umbanhowar to develop a snake-like robot that can swim through sand. When the sandfish lizard is submerged in sand, the animal tucks its limbs into its sides and moves forward by wiggling from side to side. The researchers created a computer model of the sandfish lizard that showed a snake-like robot with seven body segments that could travel through a granular medium such as sand. The researchers built a robot that is 35 centimeters long and features seven aluminum segments linked by six motors, which are covered in spandex to prevent the motors from becoming jammed. When the robot undulates its body at a frequency similar to the lizard, it can move forward at speeds of up to 0.3 body lengths per wave cycle. The team would have to add more jointed segments to match the 0.4 body lengths per cycle that a submerged lizard can achieve.
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At the recent Usenix Annual Technical Conference, Georgia Institute of Technology researcher Vytautus Valancius described Transit Protocol, a system that would let cloud users customize the path their data takes as it travels through cloud computing platforms. Valancius says Transit Protocol enables users to set a path that matches the needs of a specific application. For example, he says Transit Protocol could let cloud providers connect to a variety of Internet service providers, and create a specially designed interface for customers to manage their access. Valancius says Transit protocol is currently being used to power several academic experiments at sites across the United States. “As cloud platforms mature to host increasingly complex and demanding applications, customers will want a greater degree of flexibility and control over these resources,” notes University of British Columbia professor Andrew Warfield.
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Carlos III University of Madrid (UC3M) researchers working on the eMadrid project are studying how to use three-dimensional (3D) virtual worlds for teaching. Three-dimensional virtual worlds must include teaching elements such as a training program, with a sequence of activities for students to acquire knowledge, as well as a methodology to evaluate previously defined learning results, to become a learning platform, says UC3M professor Carlos Delgado Kloos. “The 3D learning environments are not only appropriate for transmission of knowledge, but also for teaching competencies, and if they also include augmented reality elements for the manipulation of a three-dimensional world with real physical elements, even better results are obtained, as the barrier of a fictional world immersion is reduced,” Kloos says. The eMadrid project is working to achieve these standards by collaborating with researchers from other universities, including Autonoma, Complutense, Politecnica, Rey Juan Carlos, and the National Distance Education University of Spain. The researchers are developing defined standards and best practices for implementing teaching environments in 3D virtual platforms.
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University of North Carolina (UNC) at Chapel Hill computer scientists and Boeing researchers are developing a new set of hierarchical and multi-resolution algorithms and techniques to simulate digital assemblies of large computer-aided design (CAD) structures such as a Boeing aircraft. The algorithms enabled the researchers to produce real-time programs to ray-trace large models on PC workstations. Efficient algorithms for proximity computations also have been developed for the purpose of object placement and spotting interferences among the CAD components. The ultimate aim of the UNC project is the development of digital manufacturing environments that include three-dimensional representations of parts and assembly tooling that can significantly enhance assembly, disassembly, and re-assembly processes for manufacturing and maintenance.
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The National Collegiate Inventors and Innovators Alliance has awarded a Sustainable Vision Grant to a Georgia Institute of Technology research team to migrate its ad hoc, infrastructure-free wireless communications network to the marketplace. The network, called LifeNet, lets one person share network connectivity with others through their computer and is particularly critical for supplying instant communications connectivity in post-disaster scenarios or in rural and developing areas. LifeNet consists of consumer electronic devices, such as laptops or smartphones, with each device serving as a host and a router at the same time. LifeNet can support incremental expansion or shrinkage by enabling any user to connect and disconnect from the network at will, and it covers areas ranging from a few hundred meters to a few kilometers in diameter. In addition, all devices throughout a LifeNet network can access the Internet if just a single device is connected. LifeNet will next undergo rigorous testing and implementation.
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The Partnership for Advanced Computing in Europe (PRACE) has been researching promising petascaling techniques, as well as related work on optimization techniques and the study of software libraries and programming models suitable for petascale computing. The combined work has laid the foundation for the efficient exploitation of the upcoming Tier-0 systems. The applications studied cover a variety of scientific areas and represent European high-performance computing use, with most of them originating from the European scientific community. The applications were ported, evaluated, and scaled on the PRACE supercomputer prototypes. Each application was ported to an average of three prototype systems. Porting to cluster-based systems encountered the fewest problems, while programs that were ported to Cell-based prototypes required a major time investment. PRACE researchers say it was essential to tune the options and parameters used when compiling and running a program, such as the choice of numerical libraries and compiler options. The project developed a tool for studying optimal compiler options and platform-specific recommendations. PRACE researchers also explored the programming models and software libraries required by petascale applications, and completed a survey and analysis of the new upcoming programming models and languages suitable for such programs.

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North Carolina State University’s Jay Narayan led a research effort to create a computer chip that has enough memory to store all the information in a library. The chip uses nanodots, or nanoscale magnets, which are made of single, defect-free crystals and can be as small as six diameters. The nanodots are integrated directly into a silicon chip. Their precise orientation enables programmers to reliably read and write data to the chips. “We have created magnetic nanodots that store one bit of information on each nanodot, allowing us to store over one billion pages of information in a chip that is one square inch,” Narayan says. He says the chip can be manufactured at an affordable cost. Narayan wants to develop magnetic packaging that would enable lasers or other technologies to interact with the nanodots.
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The majority of countries with the most successful broadband deployments have opened up the networks of their main carriers to competing service providers, according to a draft report issued by the U.S. Federal Communications Commission. The report, by Harvard University’s Berkman Center for Internet and Society, analyzed findings from a variety of market-oriented democracies in an effort to understand what approaches are the most successful at ensuring that citizens have adequate high-speed Internet access. Most of the highest ranked countries use open access policies in which the incumbent carriers must allow competitors to lease capacity on their networks to offer their own services. In comparison, the United States established open access rules in the Telecommunications Act of 1996, but has backed away from implementing them early in this decade, according to the report. The study found that open-access policies were a major contributor to the success of many first-generation wired network transitions, and is now helping second-generation wired rollouts. Japan, South Korea, Sweden, the Netherlands, and the United Kingdom are among the countries that have used open-access rules to foster strong broadband markets. In most measurements of broadband success, the United States ranks in the middle of developed countries, according to the study’s analysis. The U.S. ranks 15th on broadband penetration per 100 people, and 19th in 3G wireless penetration. However, the U.S. ranks fifth in both median upload speed and in a broad measure of prices for low-speed broadband, and ninth in the number of Wi-Fi hotspots per 100,000 people.

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