News tagged with laboratory


Los Alamos researchers create 'map of science'

Los Alamos researchers create 'map of science'

Other Sciences / Social Sciences

created Mar 11, 2009 | popularity 3.9 / 5 (10) | comments 0

(PhysOrg.com) -- Los Alamos National Laboratory scientists have produced the world's first Map of Science—a high-resolution graphic depiction of the virtual trails scientists leave behind when they retrieve ...


World's largest laser gears up for ignition experiments

World's largest laser gears up for ignition experiments

Physics / General Physics

created Mar 09, 2009 | popularity 4.7 / 5 (23) | comments 25

(PhysOrg.com) -- Construction of the National Ignition Facility (NIF), the world's largest and highest-energy laser system, was essentially completed on Feb. 26, when technicians at Lawrence Livermore National ...


Fermilab collider experiments discover rare single top quark

Fermilab collider experiments discover rare single top quark

Physics / General Physics

created Mar 09, 2009 | popularity 4.9 / 5 (22) | comments 8

(PhysOrg.com) -- Scientists of the CDF and DZero collaborations at the Department of Energy's Fermi National Accelerator Laboratory have observed particle collisions that produce single top quarks. The discovery ...


Assembly Steps

A new way to assemble cells into 3-D microtissues

Chemistry / Biochemistry

created Mar 05, 2009 | popularity 5 / 5 (4) | comments 0

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory can now control how cells connect with one another in vitro and assemble themselves into three-dimensional, multicellular ...


Mars Orbiter Resumes Normal Science Operations

Mars Orbiter Resumes Normal Science Operations

Space & Earth / Space Exploration

created Mar 04, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- NASA's Mars Reconnaissance Orbiter has fully recovered from an unexpected computer re-set last week and resumed its scientific investigation of Mars.


Patricia A. Woicik

Recent Drug Use Masks Cocaine Abusers' Cognitive Impairment

Medicine & Health / Psychology & Psychiatry

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

(PhysOrg.com) -- Recent cocaine use may hide some of the cognitive deficits commonly experienced by individuals addicted to cocaine, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory ...


Molecular Junctions

Researchers discover a potential on-off switch for nanoelectronics

Nanotechnology / Nanophysics

created Mar 03, 2009 | popularity 4.9 / 5 (11) | comments 2

As electronic circuits shrink from finely etched lines in silicon wafers to nearly elusive proportions, researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and Columbia University ...


Scientists discover mobile small RNAs that set up leaf patterning in plants

Biology / Cell & Microbiology

created Mar 01, 2009 | popularity 4.5 / 5 (2) | comments 1

A key item in the developmental agenda of a plant leaf is the establishment of an axis that makes a leaf's top half distinct from its bottom half. This asymmetry is crucial for the leaf's function: it ensures that the leaf ...


Mars Orbiter Puts Itself into Precautionary Mode

Mars Orbiter Puts Itself into Precautionary Mode

Space & Earth / Space Exploration

created Feb 26, 2009 | popularity 4.2 / 5 (6) | comments 2

(PhysOrg.com) -- NASA's Mars Reconnaissance Orbiter unexpectedly rebooted its computer Monday morning, Feb. 23, and put itself into a limited-activity mode that is an automated safety response.


Study Finds 'Pre-Existing Condition' Fueled Killer Cyclone

Study Finds 'Pre-Existing Condition' Fueled Killer Cyclone

Space & Earth / Earth Sciences

created Feb 26, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A "pre-existing condition" in the North Indian Ocean stoked the sudden intensification of last year's Tropical Cyclone Nargis just before its devastating landfall in Burma, according to a ...


Scientists pinpoint mechanism to increase magnetic response of ferromagnetic semiconductor

Scientists pinpoint mechanism to increase magnetic response of ferromagnetic semiconductor

Physics / General Physics

created Feb 25, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- When squeezed, electrons increase their ability to move around. In compounds such as semiconductors and electrical insulators, such squeezing can dramatically change the electrical- and magnetic- ...


LLNL signs agreement with Siemens to improve wind energy efficiency

Technology / Engineering

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

Lawrence Livermore National Laboratory has signed an agreement with Siemens Energy Inc. to provide high-resolution atmospheric modeling capabilities to improve the efficiency of wind farm sites, turbine design and wind farm ...


Researchers identify gene that helps plant cells keep communication channels open

Biology /

created Feb 17, 2009 | popularity 5 / 5 (1) | comments 0

Plant cells communicate via microscopic channels called plasmodesmata that are embedded in their cell walls. For the stem cells in the plants' growing tips, called "meristems," the plasmodesmata are lifelines, allowing nutrients ...


Nanoparticle toxicity doesn't get wacky at the smallest sizes

Nanotechnology / Bio & Medicine

created Feb 16, 2009 | popularity 4 / 5 (4) | comments 3

(PhysOrg.com) -- The smallest nano-sized silica particles used in biomedicine and engineering likely won't cause unexpected biological responses due to their size, according to work presented today. The result should allay ...


Neural modeling helps expose epilepsy's triggers

Neural modeling helps expose epilepsy's triggers

Medicine & Health / Research

created Feb 16, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- A brain scan of a person experiencing an epileptic seizure looks like the Great Plains during an early evening in midsummer. Fierce electrical storms pop up seemingly at random, proliferate ...