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Story tips from the US Department of Energy's Oak Ridge National Laboratory, November 2011
Date:11/8/2011

CYBERSECURITY -- Foiling exfiltration . . .

Computer hackers could lose a huge advantage because of a system being developed by a team led by Justin Beaver of Oak Ridge National Laboratory. "As we have seen in recent months, attackers who breach a system's defense have a distinct advantage because their presence is difficult to detect, they have a window into potentially sensitive data and their true identity and location are hidden," Beaver said. The ORNL technology detects exfiltration, or the unauthorized release of data, through the analysis of a user's behavior. In response, the system isolates a malicious user from access to any sensitive data by diverting the attacker to a virtual host. [Contact: Ron Walli, (865) 576-0226; wallira@ornl.gov]

ENERGY -- Inexpensive renewable hydrogen . . .

Solar and wind energy could become more viable because of an innovation that produces a hydrogen stream of greater than 99 percent purity without using the more traditional proton-conducting polymers. This allows electricity generated by solar panels or wind turbines to feed the electrolyzers that produce hydrogen gas, which is then fed into a biofuels reactor for the production of liquid biofuels. Making this possible is a new materials and structural approach to electrolytic hydrogen production. Using modern lithographic techniques, a team led by Oak Ridge National Laboratory's Ivan Kravchenko fabricated porous silicon and plastic wafer barriers that serve as both proton conductors and electrode surface supports. Kravchenko demonstrated the feasibility of this approach using a 30-centimeter prototype design tower that separated the flow of hydrogen and oxygen bubbles. [Contact: Ron Walli, (865) 576-0226; wallira@ornl.gov]

MAGNETISM -- Chilling discovery . . .

Something odd happens when you expose the element gadolinium to a stro
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Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory
Source:Eurekalert

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