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11-Mar-2004
Doping buckyballs with atoms, one at a time
DOE/Lawrence Berkeley National LaboratoryPeer-Reviewed Publication
By adding potassium atoms to familiar soccer-ball-shaped carbon "buckyballs," Berkeley Lab researchers increase the electric charge on each C60 molecule. Individual potassium atoms are either attached or removed from a buckyball using the tip of a scanning tunneling microscope (STM). The method demonstrates that the electronic properties of an individual molecular structure can be reversibly tuned with atomic precision.
- Journal
- Science
- Funder
- DOE/US Department of Energy
10-Mar-2004
In a virtual sky, astronomers find dark matter
DOE/SLAC National Accelerator Laboratory
Making sense of the data coming from the Large Area Telescope (LAT), one of two main instruments of the GLAST mission, will take highly trained eyes and sophisticated software. Once the NASA probe is in orbit in 2007, astronomers will be able to hit the ground running thanks to three rounds of a simulation drill called Data Challenges, or DC. After six months of preparation, the first round started last December and ended successfully with a SLAC workshop in February.
26-Feb-2004
Astrophysicists use laser guide star adaptive optics
DOE/Lawrence Livermore National LaboratoryPeer-Reviewed Publication
For the first time, scientists from UC Berkeley and Lawrence Livermore, in conjunction with astrophysicists from the California Institute of Technology, UC Santa Cruz, the National Science Foundation's Center for Adaptive Optics and UC's Lick Observatory, have observed that distant larger stars formed in flattened accretion disks just like the sun.
26-Feb-2004
Astrophysicists observe anomalies in makeup of interplanetary dust particle
DOE/Lawrence Livermore National LaboratoryPeer-Reviewed Publication
Scientists from Lawrence Livermore National Laboratory and Washington University have seen carbon and nitrogen anomalies on a particle of interplanetary dust that provides a clue as to how interstellar organic matter was incorporated into the solar system.
26-Feb-2004
Researchers decode genome of rabbit fever pathogen
DOE/Lawrence Livermore National LaboratoryPeer-Reviewed Publication
Two teams of researchers, one based in the United States and the other in Europe, have decoded the genetic blueprint of the tularemia (rabbit fever) bacterium, a highly infectious human and animal pathogen.
9-Feb-2004
Elbert Branscomb selected as Associate Director for Biology and Biotechnology Research
DOE/Lawrence Livermore National Laboratory
Elbert Branscomb, the chief scientist for the Department of Energy's Genome Program and the former director of the Joint Genome Institute in Walnut Creek has been selected as the new Associate Director for Biology and Biotechnology Research (BBRP) at Lawrence Livermore National Laboratory. The appointment is effective immediately. Branscomb will replace Bert Weinstein, who has served as acting associate director for the directorate since 2000.
2-Feb-2004
Livermore scientists team with Russia to discover elements 113 and 115
DOE/Lawrence Livermore National LaboratoryPeer-Reviewed Publication
Scientists from the Glenn T. Seaborg Institute and the Chemical Biology and Nuclear Science Division at the Lawrence Livermore National Laboratory, in collaboration with researchers from the Joint Institute for Nuclear Research in Russia (JINR), have discovered the two newest super heavy elements, element 113 and element 115.
30-Jan-2004
Dazzling new light source opens at Stanford Synchrotron Radiation Laboratory
DOE/SLAC National Accelerator LaboratoryPeer-Reviewed Publication
The SPEAR3 facility was formally opened at a dedication ceremony at the Stanford Linear Accelerator Center (SLAC) on January 29. SPEAR3 incorporates the latest technology--much of it pioneered at SSRL and SLAC--to make it competitive with the best synchrotron sources in the world.
Some 2,000 scientists from around the country will use SPEAR3's extremely bright x-ray light each year to illuminate the long-kept secrets of materials, chemical and biological matter.
- Funder
- DOE/US Department of Energy, National Institutes of Health
29-Jan-2004
Livermore scientists reveal details of reactive states of water-to-air interface
DOE/Lawrence Livermore National LaboratoryPeer-Reviewed Publication
Using the latest terascale ASCI computers, scientists at Lawrence Livermore National Laboratory have revealed details of the reactive states and faster relaxation of molecules at the water-to-air interface.