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Fault weaknesses, the center cannot hold for some geologic faults

Fault weaknesses, the center cannot hold for some geologic faults

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 5 / 5 (4) | comments 0

Some geologic faults that appear strong and stable, slip and slide like weak faults. Now an international team of researchers has laboratory evidence showing why some faults that "should not" slip are weaker ...


NASA Uses Twin Processes to Develop New Tank Dome Technology

NASA Uses Twin Processes to Develop New Tank Dome Technology

Space & Earth / Space Exploration

created Dec 02, 2009 | popularity 4 / 5 (3) | comments 2

(PhysOrg.com) -- NASA has partnered with Lockheed Martin Space Systems in Denver, Colo., and MT Aerospace in Augsburg, Germany, to successfully manufacture the first full-scale friction stir welded and spun ...


Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotechnology / Nanomaterials

created Nov 24, 2009 | popularity 4 / 5 (2) | comments 0

Novel nanomaterials developed at Rensselaer were sent into orbit on Nov. 16 aboard Space Shuttle Atlantis.


Quantitative approach to forensic fingerprint comparison studied

Technology / Computer Sciences

created Nov 30, 2009 | popularity not rated yet | comments 0

The National Institute of Justice (NIJ) has awarded researchers at Virginia Tech a two-year, $854,907 grant to develop a quantitative approach to measuring and establishing a standard for "sufficiency" of information available ...


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created Dec 15, 2009 | popularity 4.4 / 5 (21) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...


Metamaterials could reduce friction in nanomachines

Nanotechnology / Nanomaterials

created Dec 07, 2009 | popularity 5 / 5 (4) | comments 2

(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...


Superconductor magnet heat shield being developed

Superconductor magnet spacecraft heat shield being developed

Physics / General Physics

created Nov 26, 2009 | popularity 4.8 / 5 (44) | comments 28

(PhysOrg.com) -- European space agencies and an aerospace giant are developing a new re-entry heat shield that will use superconductor magnets to generate a magnetic field strong enough to deflect the superhot ...


NASA Assessing New Roles for Ailing QuikScat Satellite

NASA Assessing New Roles for Ailing QuikScat Satellite

Space & Earth / Space Exploration

created Nov 24, 2009 | popularity 4 / 5 (1) | comments 1

(PhysOrg.com) -- NASA mission managers are assessing options for future operations of the venerable QuikScat satellite following the age-related failure of a mechanism that spins the scatterometer antenna. ...


Tropical Cyclone Laurence menaces Northern Australia

Tropical Cyclone Laurence menaces Northern Australia

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity not rated yet | comments 0

Laurence is still a tropical cyclone even though the storm has made landfall in northern West Australia and is moving over land. The Tropical Rainfall Measuring Mission (TRMM) satellite noticed some powerful ...


New study grapples with health effects of low-intensity warfare

Medicine & Health / Health

created Dec 11, 2009 | popularity 5 / 5 (1) | comments 0

For nearly two decades, Ivy Pike, an associate professor of anthropology at the University of Arizona, has been studying ethnic groups in rural northern Kenya to understand how violence shapes the health of those eking out ...


Icy moons of Saturn and Jupiter may have conditions needed for life

Icy moons of Saturn and Jupiter may have conditions needed for life

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 4.8 / 5 (15) | comments 0

(PhysOrg.com) -- Scientists once thought that life could originate only within a solar system's "habitable zone," where a planet would be neither too hot nor too cold for liquid water to exist on its surface. ...


Grooving Down the Helix

Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes

Biology / Biotechnology

created Dec 03, 2009 | popularity 4 / 5 (3) | comments 0

(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.


Greenland glaciers:  What lies beneath

Greenland glaciers: What lies beneath

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 3.6 / 5 (5) | comments 1

Scientists who study the melting of Greenland's glaciers are discovering that water flowing beneath the ice plays a much more complex role than they previously imagined.