A federally funded online absentee voting system scheduled to debut in less than two weeks has security vulnerabilities that could jeopardize voter privacy and allow votes to be altered, according to a report prepared by four prominent researchers invited to analyze the system. All experts in cyber-security, they say the risks associated with Internet voting cannot be eliminated and urge that the system be shut down.
The reports authors are computer scientists David Wagner, Avi Rubin and David Jefferson from the University of California, Berkeley, The Johns Hopkins University and the Lawrence Livermore National Laboratory, respectively, and Barbara Simons, a computer scientist and leading technology policy consultant. They are members of the Security Peer Review Group, an advisory group formed by the Federal Voting Assistance Program to evaluate the system.
Administrators of this program, part of the U.S. Department of Defense, were charged with finding an easier way for U.S. military personnel and overseas civilians to vote in their home districts. Currently, these voters must rely on absentee paper ballots. But obtaining and returning paper ballot from a distant location can be a frustrating process that sometimes depends on slow or unreliable foreign postal services.
Sarah Yang | UC Berkeley
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The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.
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Computer Tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes a Nano-CT device that creates three-dimensional x-ray images at resolutions up to 100 nanometers. The first test application: Together with colleagues from the University of Kassel and Helmholtz-Zentrum Geesthacht the researchers analyzed the locomotory system of a velvet worm.
During a CT analysis, the object under investigation is x-rayed and a detector measures the respective amount of radiation absorbed from various angles....
The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.
Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation,...
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