Tuesday, November 16, 2010
ORNL in the News

East Tennessee is still home to two of the world's fastest supercomputers, according to new rankings released today

(Media-Newswire) The Top500 list of the world’s fastest supercomputers places University of Tennessee supercomputer Kraken in eighth place, where it also holds the title of world’s fastest academic supercomputer, while Oak Ridge National Laboratory’s Jaguar computer took second place overall...11/15

Speeding up Science

(Scientific Computing) Scientific simulations can tackle larger problems and produce more accurate answers, as computing grows increasingly parallel...Such hybrids will probably take over in the future. “If we want bigger or faster machines, this is what the future looks like: undoubtedly multicore and almost undoubtedly heterogeneous multicore,” says Bronson Messer, acting director of science at the Oak Ridge Leadership Computing Facility at Oak Ridge National Laboratory...11/15

Declining nitrogen availability reduces CO2 fertilization effects, researchers find

(Scientific Computing) Climate models that project future atmospheric carbon dioxide concentrations should include a coupled nitrogen cycle, a team of researchers led by Oak Ridge National Laboratory has concluded..."We now have a longer data record from the ORNL free-air CO2 enrichment experiment, and we report that the response of forest production to elevated CO2 has declined over time, a significant change from our previous observations," said Rich Norby, lead author of the paper and a member of ORNL's Environmental Sciences Division...11/15

DOE

Y-12 to Aid Conversion of Bomb-Grade Uranium

(NTI) The Y-12 National Security Complex in Tennessee will support efforts to convert highly enriched uranium to lower-grade fuel with new machinery set to begin operating next April...11/15

State & Regional

TVA Moves Toward Developing Smaller Nuclear Plants

(AP) The Tennessee Valley Authority has advised nuclear regulators that the utility wants to possibly start using new smaller nuclear reactors by 2020...11/11

National

Napolitano 'open' to fliers' gripes over screening

(USA Today) Homeland Security Secretary Janet Napolitano said Monday that the agency has an "open ear" to any "adjustments" to security measures in place at the nation's airports, as some groups and individuals continued to call for a boycott of full-body scanning machines that they complain are invasive...11/15

East Tennessee

Airport Authority accepts grant for Oak Ridge study

(Knoxville News Sentinel) The Metropolitan Knoxville Airport Authority voted Monday to accept a $142,722 grant to help fund a feasibility study now under way to find a site for a proposed general aviation airport in Oak Ridge...11/16

TVA pinpoints 'giga-sites' as hits for tech firms

(Knoxville News Sentinel) East Tennessee couldn't put forward a TVA megasite to lure a giant manufacturing operation, but the power company has designed three sites as good candidates to attract facilities necessary for e-commerce and emerging technologies...11/15

energy & science policy

Inside Energy Extra

11/15 A daily report on U.S. energy policy
[ORNL users only]
- Waste panel asks: New agency needed?
- Republicans take aim at earmarks
- Interior approves 500-MW solar project
- EIA mulls improvements in export data

science & technology

Where Cinema and Biology Meet

(NY Times) ...“The ability to animate really gives biologists a chance to think about things in a whole new way,” said Janet Iwasa, a cell biologist who now works as a molecular animator at Harvard Medical School....11/16

Supercomputers Fuel Competition

(Wall Street Journal) China's installation of the world's fastest supercomputer is galvanizing efforts by U.S. government agencies and companies to restore American leadership in the technology, a key tool in such fields as climate research, product design and weapons development...11/15

US scientists significantly more likely to publish fake research

(PhysOrg.com) US scientists are significantly more likely to publish fake research than scientists from elsewhere, finds a trawl of officially withdrawn (retracted) studies, published online in the Journal of Medical Ethics...11/16

As Glaciers Melt, Science Seeks Data on Rising Seas

(NY Times) ...Scientists long believed that the collapse of the gigantic ice sheets in Greenland and Antarctica would take thousands of years, with sea level possibly rising as little as seven inches in this century, about the same amount as in the 20th century. But researchers have recently been startled to see big changes unfold in both Greenland and Antarctica...11/13

Other Stories

Why some young US workers now seek fortunes in India

(CS Monitor) Nathan Sigworth still remembers the trepidation that accompanied his move to India. A college grad with an eye for business, he wasn't concerned about unfamiliar turf or overcrowded cities...11/14