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The Lead

Getting bot responders into shape

December 16, 2014 8:15 am | by Stephanie Holinka, Sandia National Laboratories | News | Comments

Sandia National Laboratories is tackling one of the biggest barriers to the use of robots in emergency response: energy efficiency. Through a project supported by DARPA, Sandia is developing technology that will dramatically improve the endurance of legged robots, helping them operate for long periods while performing the types of locomotion most relevant to disaster response scenarios.

Storing hydrogen underground could boost transportation, energy security

December 9, 2014 10:55 am | by Sandia Labs | News | Comments

Large-scale storage of low-pressure, gaseous...

Studies look at long-term aging of electronics in nuclear weapons

December 4, 2014 9:09 am | by Sue Holmes, Sandia National Laboratories | News | Comments

Sandia National Laboratories is studying how environments, including radiation that originates...

Measuring NIF’s enormous shocks

November 24, 2014 8:10 am | by Breanna Bishop, Lawrence Livermore National Laboratory | News | Comments

NIF experiments generate enormous pressures in a short time. When a pressure source of this type...

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Combining “Tinkertoy” materials with solar cells for increased photovoltaic efficiency

November 5, 2014 8:42 am | by Mike Janes, Sandia National Laboratories | News | Comments

Researchers at Sandia National Laboratories have received a $1.2 million award from the U.S. Dept. of Energy’s SunShot Initiative to develop a technique that they believe will significantly improve the efficiencies of photovoltaic materials and help make solar electricity cost-competitive with other sources of energy.

Evaluating powerful batteries for modular grid energy storage

October 24, 2014 8:31 am | by Stephanie Holinka, Sandia National Laboratories | News | Comments

Sandia National Laboratories has begun laboratory-based characterization of TransPower’s GridSaver, the largest grid energy storage system analyzed at Sandia’s Energy Storage Test Pad in Albuquerque. Sandia will evaluate the 1 MW, lithium-ion grid energy storage system for capacity, power, safety and reliability. The laboratory also will investigate the system’s frequency regulation.

Sandia magnetized fusion technique produces significant results

September 23, 2014 9:34 am | News | Comments

Inertial confinement fusion creates nanosecond bursts of neutrons, ideal for creating data to plug into supercomputer codes that test the U.S. nuclear stockpile. Down the road, it could be useful as a source of energy. Researchers at Sandia National Laboratories’ Z machine have produced a significant output of fusion neutrons, using a method fully functioning for only little more than a year.


Sandia pioneers software for smart, sustainable institutions

September 18, 2014 8:13 am | by Stephanie Holinka, Sandia National Laboratories | News | Comments

Sandia National Laboratories’ Institutional Transformation (IX) model helps the federal laboratory reduce its energy consumption and could help other large institutions do the same. The IX model allows planners to experiment with energy conservation measures before making expensive changes. It also models operations-oriented conservation methods.

Numerical Simulation of Multiphysics Processes

August 25, 2014 4:11 pm | Award Winners

Sandia National LaboratoriesGoma 6.0 is software for numerical simulation of multiphysics continuum processes, including moving geometry, phase-change, fluid-structural interactions, complex rheology and chemical reactions. It solves the fundamental equations of mass, momentum, energy and chemical species transport using the finite element method (FEM), which can be described by partial differential equations.

LFA Technology Helps Sniff Out Anthrax

August 22, 2014 3:04 pm | Award Winners

To mitigate anthrax attack risks, Sandia National Laboratories developed a credit-card sized device based on the lateral flow assay for detection of B. anthracis in ultra-low resource environments: BaDx (Bacillus anthracis diagnostics). BaDx is a low-cost, disposable device that requires no power, instrumentation or equipment to operate, and no refrigeration to maintain efficacy.

Diamond plates create nanostructures through pressure, not chemistry

June 27, 2014 3:09 pm | News | Comments

You wouldn’t think that mechanical force could process nanoparticles more subtly than the most advanced chemistry. But researchers at Sandia National Laboratories have created a newly patented and original method that uses simple pressure to produce finer and cleaner results in forming silver nanostructures than do chemical methods, which are not only inflexible in their results but leave harmful byproducts.

Nanoparticle production method could lead to better lights, lenses, solar cells

June 17, 2014 4:02 pm | News | Comments

Titanium dioxide nanoparticles show great promise as optical encapsulants or fillers for tunable refractive index coatings. However, they've been largely shunned because they’ve been difficult and expensive to make. Scientists at Sandia National Laboratories have now come up with an inexpensive way to synthesize properly sized titanium dioxide nanoparticles and is seeking partners who can demonstrate the process at industrial scale.


Improvements in image-detection applications on the horizon

June 11, 2014 7:56 am | by Mike Janes, Sandia National Laboratories | News | Comments

Researchers at Sandia National Laboratories, along with collaborators from Rice Univ. and the Tokyo Institute of Technology, are developing new terahertz detectors based on carbon nanotubes that could lead to significant improvements in medical imaging, airport passenger screening, food inspection and other applications.

Prototype electrolyte sensor provides immediate read-outs

June 3, 2014 8:03 am | by Neal Singer, Sandia National Laboratories | News | Comments

Patients trying to navigate today’s complex medical system with its costly laboratory analyses might prefer a pain-free home diagnostic device, worn on the wrist, that can analyze, continuously record and immediately remedy low electrolyte levels. Runners, athletes in other strenuous sports and soldiers on long missions also might prefer immediate knowledge of their electrolytic states as an aid to improved performance.

Get ready for the computers of the future

May 28, 2014 8:07 am | by Sue Holmes, Sandia National Laboratories | News | Comments

Computing experts at Sandia National Laboratories have launched an effort to help discover what computers of the future might look like, from next-generation supercomputers to systems that learn on their own—new machines that do more while using less energy.

Planting the “SEEDS” of solar technology in the home

May 20, 2014 2:35 pm | News | Comments

In an effort to better understand what persuades people to buy photovoltaic systems for their homes, researchers at Sandia National Laboratories are gathering data on consumer motivations that can feed computer models and thus lead to greater use of solar energy. A primary goal of the project is to help increase the nation’s share of solar energy in the electricity market from its current share of less than .05% to at least 14% by 2030.

The brain: Key to a better computer

May 15, 2014 8:03 am | by Sue Holmes, Sandia National Laboratories | News | Comments

Your brain is incredibly well suited to handling whatever comes along, plus it’s tough and operates on little energy. Those attributes—dealing with real-world situations, resiliency and energy efficiency—are precisely what might be possible with neuro-inspired computing.


Engineering better machines and buildings by understanding mechanics of materials

May 6, 2014 11:01 am | News | Comments

Sandia National Laboratories is working to fill gaps in the fundamental understanding of materials science through an ambitious long-term, multidisciplinary project called Predicting Performance Margins (PPM). Since 2010, PPM has been helping to identify how material variability affects performance margins for engineering components. The goal, says Sandia experts, is a science-based foundation for materials design and analysis.

Pocket-sized anthrax detector aids global agriculture

April 18, 2014 8:36 am | by Stephanie Holinka, Sandia National Laboratories | News | Comments

A credit-card-sized anthrax detection cartridge developed at Sandia National Laboratories and recently licensed to a small business makes testing safer, easier, faster and cheaper. Bacillus anthracis, the bacteria that causes anthrax, is commonly found in soils all over the world and can cause serious, and often fatal, illness in both humans and animals.

Clearing up cloudy understanding on solar power plant output

March 19, 2014 8:15 am | by Stephanie Hobby, Sandia National Laboratories | News | Comments

Sandia National Laboratories engineers have been studying the most effective ways to use solar photovoltaic (PV) arrays—a clean, affordable and renewable way to keep the power on. Systems are relatively easy to install and have relatively small maintenance costs. They begin working immediately and can run unassisted for decades.

Magnetically stimulated flow patterns offer strategy for heat-transfer problems

March 6, 2014 11:17 am | by Sue Holmes, Sandia National Laboratories | News | Comments

Sandia National Laboratories researchers Jim Martin and Kyle Solis have what Martin calls “a devil of a problem.” They’ve discovered how to harness magnetic fields to create vigorous, organized fluid flows in particle suspensions. The magnetically stimulated flows offer an alternative when heat transfer is difficult because they overcome natural convection limits.

Computer power clicks with geochemistry

January 28, 2014 8:10 am | News | Comments

Sandia National Laboratories is developing computer models that show how radioactive waste interacts with soil and sediments, shedding light on waste disposal and how to keep contamination away from drinking water. Researchers have studied the geochemistry of contaminants such as radioactive materials and toxic heavy metals, including lead, arsenic and cadmium. But laboratory testing of soils is difficult.

Sandia conducts first impact test in years of B61 nonnuclear components

January 15, 2014 3:59 pm | News | Comments

A ground-penetrating bomb, minus its nuclear components, rammed through a target at the remote Coyote Canyon test range last month in Sandia National Laboratories’ first such rocket-driven impact test in seven years. Engineers said the Sandia components on the weapon performed as expected.

Fusion instabilities lessened by unexpected effect

January 9, 2014 8:08 am | News | Comments

A surprising effect created by a 19th-century device called a Helmholtz coil offers clues about how to achieve controlled nuclear fusion at Sandia National Laboratories’ Z machine. A Helmholtz coil produces a magnetic field when electrified. In recent experiments, two Helmholtz coils, installed to provide a secondary magnetic field to Z’s huge one, unexpectedly altered and slowed the growth of the magneto-Rayleigh-Taylor instabilities.

Added molecules allow MOFs to conduct electricity

December 5, 2013 3:54 pm | News | Comments

Scientists from NIST and Sandia National Laboratories have added something new to a family of engineered, high-technology materials called metal-organic frameworks (MOFs): the ability to conduct electricity. This breakthrough—conductive MOFs—has the potential to make these already remarkable materials even more useful, particularly for detecting gases and toxic substances.

Converting natural gas to liquid transportation fuels via biological organisms

November 18, 2013 8:17 am | News | Comments

Researchers at Sandia National Laboratories will use their expertise in protein expression, enzyme engineering and high-throughput assays as part of a multiproject, $34 million effort by the Advanced Research Projects Agency-Energy aimed at developing advanced biocatalyst technologies that can convert natural gas to liquid fuel for transportation.

Plasmonic crystal alters to match light-frequency source

October 30, 2013 8:25 am | News | Comments

Gems are known for the beauty of the light that passes through them. But it is the fixed atomic arrangements of these crystals that determine the light frequencies permitted passage. Now a Sandia National Laboratories-led team has created a plasmonic, or plasma-containing, crystal that is tunable. The effect is achieved by adjusting a voltage applied to the plasma.

Study could help improve nuclear waste repositories

September 19, 2013 8:39 am | News | Comments

Here’s the question faced by a team of Sandia National Laboratories researchers: How fast will iodine-129 released from spent nuclear fuel move through a deep, clay-based geological repository? Understanding that process is crucial as countries worldwide consider underground clay formations for nuclear waste disposal, because clay offers low permeability and high radionuclide retention.

Harnessing the sun’s energy with tiny particles

September 17, 2013 8:43 am | News | Comments

Engineers at Sandia National Laboratories, along with partner institutions Georgia Institute of Technology, Bucknell Univ., King Saud Univ. and the German Aerospace Center, are using a falling particle receiver to more efficiently convert the sun’s energy to electricity in large-scale, concentrating solar power plants.

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