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Sandia researchers use quantum dots as a new approach to solid-state lighting

DOE/Sandia National Laboratories
Peer-Reviewed Publication

In a different approach to creating white light several researchers at the Department of Energy's (DOE) Sandia National Laboratories have developed the first solid-state white light-emitting device using quantum dots.

Revolutionary tungsten photonic crystal could provide more power for electrical devices

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Researchers at Sandia National Laboratories -- exceeding the predictions of a 100-year-old law of physics -- have shown that filaments fabricated of tungsten lattices emit remarkably more energy than solid tungsten filaments in certain bands of near-infrared wavelengths when heated.

Human genes can predict AIDS progression rate

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

A Los Alamos National Laboratory researcher and her colleagues have found that people with less common types of proteins on their white blood cells seem to mount a better immune response against the Human Immunodeficiency Virus - the virus that causes AIDS - and tend to fight progression of the disease better than people with common white blood cell proteins.

Journal: Nature Medicine

At Los Alamos: Guarding the air we breathe

DOE/Los Alamos National Laboratory

It's a sunny morning in late June. Tourists and locals throng midtown Manhattan, near Central Park South. The air carries a mix of aromas--sweet scents from blossoming trees in Central Park, a potpourri of ethnic foods from nearby restaurants, the pungent blend of sauerkraut and roasting hot dogs from a street vendor. But unscented and unnoted by the crowds, the air is also laced with anthrax spores from a bioterrorist attack.

Team finds immediate predecessor of modern humans

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

An international team of scientists, including a researcher from Los Alamos National Laboratory, has discovered fossilized skulls that lend further credence to the hypothesis that modern humankind originated in Africa.

Journal: Nature
Funder: National Science Foundation, University of California's Institute of Geophysics and Planetary Physics at Los Alamos National Laboratory

Southwestern consortium pursues radio telescope project

DOE/Los Alamos National Laboratory
Business Announcement

Working closely with Los Alamos National Laboratory as part of the Southwest Consortium, officials at the University of New Mexico announced today that they are leading the effort to propose a new low frequency radio astronomy observatory be built in a region covering New Mexico and Western Texas.

Modeling an asteroid impact

DOE/Los Alamos National Laboratory

Mounting scientific evidence supports the theory that a large asteroid slammed into Earth about 65 million years ago--killing the dinosaurs and ending the Cretaceous Period. Simulations developed at the Laboratory are providing new insight into this catastrophic event.

XMM-Newton satellite uncovers X-ray emission and X-ray pulsar in Andromeda

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

In the most sensitive X-ray survey of our neighboring galaxy, Andromeda (M31), the X-ray Multi-Mirror satellite observatory (XMM-Newton) has uncovered hundreds of X-ray sources and provided new insights into the nature of the interstellar medium in the spiral arms of our own galaxy as well as those of Andromeda.

Meeting: American Astronomical Society Meeting

Sandia microscaffolding fits perfectly in patient's jaw

DOE/Sandia National Laboratories
Peer-Reviewed Publication

In an operating room in Carle Hospital in Urbana, Ill., on May 7, as scientists from the University of Illinois (UI) and Sandia National Laboratories watched, surgeon Michael Goldwasser fitted a highly unusual ceramic prosthetic device into the mouth of an elderly woman who had lost most of her teeth and along with it, much of the bone of her lower jaw.

Proton radiography at Los Alamos

DOE/Los Alamos National Laboratory

Researchers are now using protons to probe the details of imploding weapon mock-ups. Proton radiography is enhancing the Lab's ability to predict the performance of stockpiled nuclear weapons.