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Lawrence Berkeley National Laboratory News
Phase-change Nanobeans Store Mega Data
BERKELEY, Calif., Sept. 20, 2010 — The ability of phase-change materials to transition between different phases has made them valuable as a low-power source of non-volatile or “flash” memory and data storage. Now an entire new class of phase-change materials has been discovered by researchers with the Lawrence Berkeley National Laboratory (LBNL) and the University of California Berkeley that could be applied to phase change random access memory (PCM) technologies and possibly optical data storage as well. The new...
Nano light mill motor controlled by wavelength changes
BERKELEY, Calif. – A newly developed light mill could lead to a whole new crop of nanoscale devices, including nanoscale solar light harvesters, nanoelectromechanical systems, and nanobots that could manipulate DNA and other biological molecules in vivo. ...
Silicon Exhibits Retrograde Melting
CAMBRIDGE, Mass., Aug. 10, 2010 — A new silicon material has been produced that actually melts as it cools off, which could lead to applications in solar cells and other devices. A tiny silicon chip — the glowing orange square at the center of this special heating device...
Nano-Sized Light Mill Drives Microdisk
BERKELEY, Calif., July 8, 2010 — Researchers have created the first nano-sized light mill motor whose rotational speed and direction can be controlled by tuning the frequency of the incident light waves. STM image shows a gammadion gold light mill nanomotor embedded in a 300...
Transformation Optics Makes a U-turn
BERKELEY, Calif., July 7, 2010 — In transformation optics, light waves can be controlled at all lengths of scale through the unique structuring of metamaterials, composites typically made from metals and dielectrics — insulators that become polarized in the presence of an...
X-ray, meet optical control …
BERKELEY, Calif. – Researchers have shown that they can control matter directly with intense x-ray beams and can use one beam to control another. The experiments could open the door to new and interesting ways to use x-rays, said Thornton E. “Ernie” Glover...
Lensless Imaging of Whole Cells
BERKELEY, Calif. May 7, 2010 — Scientists working at beamline 9.0.1 of the Advanced Light Source (ALS) at the US Department of Energy’s Lawrence Berkeley National Laboratory have used x-ray diffraction microscopy to make images of whole yeast cells, achieving the highest...
Laservision to Hold Laser Safety Officers Workshop
BERKELEY, Calif., April 30, 2010 — Laservision announced that it will participate in the annual Laser Safety Officers Workshop July 27-29 at the Lawrence Berkeley National Laboratory. The company will exhibit at the workshop, as well as conduct a mini-workshop on its EyePro software....
Graphene Clears Major Fabrication Hurdle
BERKELEY, Calif., April 13, 2010 — Graphene, the two-dimensional crystalline form of carbon, is a potential superstar for the electronics industry. With freakishly mobile electrons that can blaze through the material at nearly the speed of light – 100 times faster than...
Laser Light Controls X-Rays
BERKELEY, Calif., March 29, 2010 — By changing the material medium through which x-rays pass, scientists are using laser light to control x-ray beams. The team of scientists was led by Thornton E. Glover of Lawrence Berkeley National Laboratory’s Advanced Light Source (ALS),...
Sunlight Trapped with Si Nanowires
BERKELEY, Calif., March 9, 2010 – A better way of trapping sunlight using silicon nanowires is behind a new approach that could dramatically reduce the costs of making photovoltaics by allowing them to be manufactu...
Atom Interferometer Tests Redshift
BERKELEY, Calif., Feb. 19, 2010 - While airplane and rocket experiments have proved that gravity makes clocks tick more slowly – a central prediction of Albert Einstein’s general theory of relativity – a new experiment in an atom interferometer measures this slowdown 10,000 times...
Energy Grant
Oct 1, 2009 — In Berkeley, Calif., the Lawrence Berkeley National Laboratory has been granted $40.3 million in funding from the American Recovery and Reinvestment Act. This grant is in addition to the $115.8 million the laboratory received in March from the US...
Diffract-and-Destroy Imaging
BERKELEY, Calif., July 30, 2009 – A particle gun that fires liquid droplets less than a millionth of a meter in diameter, faster than hundreds of thousands of times a second, is poised to revolutionize biological imaging. Tested at Berkeley Lab’s Advanced Light Source and soon to be...
Nanocircuit Switch Found?
BERKELEY, Calif., March 4, 2009 – Simply pushing or pulling a molecular junction turns the electrical resistance flowing through the nanometer-scale circuit on or off, researchers have discovered. The feature could be exploited as a switch in future nanoscale electronics devices....
Obama Taps Nobel Physicist
CHICAGO, Ill., Dec. 12, 2008 – President-elect Barack Obama has announced that Nobel prize-winning physicist Steven Chu has been selected as the US secretary of energy. Chu, director of Lawrence Berkley National Laboratory since 2004, is a strong advocate of alternative and...
Putting the Whole Experiment in an Enclosure
Jul 1, 2008 — Commercial lasers are designed in protective cases that ensure that the beams emerge only from designated apertures, and the typical laser laboratory is protected by interlocked doors and outside warning lights. Between these two levels of laser...
Silicon Shows TE Properties
BERKELEY, Calif., Jan. 15, 2008 -- Energy now lost as heat during the production of electricity could be harnessed through the use of silicon nanowires synthesized via a technique developed at the US Department of Energy’s Lawrence Berkeley National Laboratory and the University of...
Why Smaller is Stronger
BERKELEY, Calif., Jan. 8, 2008 -- For 50 years scientists have known that as structures made of metal get smaller -- on the scale of millionths of a meter or less -- they get stronger. Many theories have been proposed to explain the phenomenon, but only recently have new imaging...
2007 Gruber Cosmology Prize Awarded to Dark Energy Discoverers
Jul 26, 2007 — Saul Perlmutter of the University of California, Berkeley, and Lawrence Berkeley National Laboratory and Brian Schmidt of the Australian National University -- and 51 of their colleagues -- will share the Peter and Patricia Gruber Foundation's 2007...
New MRI Technique is Ultrasensitive
BERKELEY, Calif., Oct. 25, 2006 -- A new technique for magnetic resonance imaging (MRI) that allows the detection of signals from molecules present at 10,000 times lower concentrations than conventional MRI could prove valuable for medical diagnosis, and has the potential to one day...
Survey Finds Weirdest Type-Ia Supernova Yet
BERKELEY, Calif., Sept. 22, 2006 -- Startling evidence that there is more than one kind of Type Ia supernova -- a class of exploding stars which until now has been regarded as essentially uniform in all important respects -- has been discovered by scientists affiliated with the...
ALS Scientific Director Dies
BERKELEY, Calif, Aug. 23, 2006 -- Neville Smith, scientific director for the Advanced Light Source of the Lawrence Berkeley National Laboratory and a leading authority in the field of photoemission spectroscopy, died unexpectedly of cancer at his home in Berkeley on Friday, the lab...
New Window into Nanoscale Materials Deformation
BERKELEY, Calif., Aug. 17, 2006 -- Materials on the nanoscale don't always have the same properties they would in bulk; for one thing, nanomaterials are often a lot harder. Unlike most bulk materials, a crystal that is small enough can be perfect, free of defects, capable of...
Saul Perlmutter Awarded Feltrinelli Prize
BERKELEY, Calif., July 27, 2006 -- Saul Perlmutter was named the winner of the 2006 International Antonio Feltrinelli Prize in the physical and mathematical sciences, awarded once every five years in that field by Italy's Accademia Nazionale dei Lincei -- one of whose earliest...
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May 2024
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