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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Technological advancements in sensing technology makes it possible to take more accurate measurements of brain activity, something computer scientists and neuroscientists say could lead to the discovery of the complex neuronal networks in the brain that allow for simple, automatic movements such as reaching for a glass of water. Virginia Tech and General Motors Research are opening the Laboratory for Neuroinformatics for the purpose of creating algorithms that process the massive amounts of data neuroscientists collect from the brain. The lab will be co-directed by Virginia Tech computer science professor Naren Ramakrishnan and General Motors research scientist K.P. Unnikrishnan. “Neuroscientists are making the transition from studying neurons to studying networks–the sequences of firings and spikes of activity across big groups of neurons,” Ramakrishnan says. “What we are trying to do is analyze all this data and discover something about the network–the connections and relationships.” Unnikrishnan says the many possible applications of neuroscience-related research include analyzing data from cars and maintaining vehicle health. But even greater applications are possible, Unnikrishnan says. “Creation of brain-machine interfaces is the next frontier,” Unnikrishnan says. “Giving senses to people who have lost them–vision, touch, hearing, and motor–would be a contribution to humanity.”
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