JILA researchers have designed a microscope instrument so stable that it can accurately measure the 3D movement of individual molecules over many hours--hundreds of times longer than the current limit measured in seconds.
NASA's Swift satellite detected a rising tide of high-energy X-rays from the constellation...
Researchers at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have...
A two-year, $3.8 million award has been received by Sandia National Laboratories and the...
The day will officially be a bit longer than usual on Tuesday, June 30, 2015, because an extra second, or "leap" second, will be added.
A new route to ultrahigh density, ultracompact integrated photonic circuitry has been discovered by researchers. The Berkeley Lab team has developed a technique for effectively controlling pulses of light in closely packed nanoscale waveguides, an essential requirement for high-performance optical communications and chip-scale quantum computing.
Researchers at Oak Ridge National Laboratory have developed a new method to manipulate a wide range of materials and their behavior using only a handful of helium ions. The team’s technique advances the understanding and use of complex oxide materials that boast unusual properties such as superconductivity and colossal magnetoresistance but are notoriously difficult to control.
Planets tend to cool as they get older, but Saturn is hotter than astrophysicists say it should be without some additional energy source. The unexplained heat has caused a two-billion-year discrepancy for computer models estimating Saturn's age.
Argonne National Laboratory released a study that shows gasoline and diesel refined from Canadian oil sands have a higher carbon impact than fuels derived from conventional domestic crude sources. The research, which was conducted in collaboration with Stanford Univ. and the Univ. of California at Davis, shows variability in the increase of greenhouse gas impacts, depending on the type of extraction and refining methods.
The vast majority of the thousands of chemicals in our homes and workplaces have not been tested to determine if they cause cancer. That’s because today’s options are lacking. Rodent tests are too slow, and cell culture tests don’t replicate how cells interact in the body, so their relevance to cancer is limited. Scientists from Lawrence Berkeley National Laboratory have set out to change that.
Scientists at Los Alamos National Laboratory have developed a computer model that clarifies the complex processes driving ocean mixing in the vast eddies that swirl across hundreds of miles of open ocean.
It took marine sponges millions of years to perfect their spike-like structures, but research mimicking these formations may soon alter how industrial coatings and 3-D printed to additively manufactured objects are produced. A new molecular paves the way for improved silica structure design by introducing microscopic, segmented screw-like spikes that can more effectively bond materials for commercial use.
When you're working with the brightest x-ray light source in the world, it's crucial that you make use of as many of the photons produced as possible. That's why physicists at the National Synchrotron Light Source II (NSLS-II) are developing new lenses that focus x-ray beams to smaller spot sizes made up of more photons for better imaging resolution.
Scientists at the U.S. Naval Research Laboratory have reported the first observation of spin precession of spin currents flowing in a silicon nanowire transport channel, and determined spin lifetimes and corresponding spin diffusion lengths in these nanoscale spintronic devices.
Rotation is key to the performance of salad spinners, toy tops and centrifuges, but recent research suggests a way to harness rotation for the future of mankind's energy supply. In recently published papers, a physicist at Princeton Plasma Physics Laboratory demonstrated a novel method that scientists can use to manipulate the intrinsic rotation of hot, charged plasma gas within fusion facilities called tokamaks.
Cultured human lung cells infected with a benign version of anthrax spores have yielded insights into how anthrax grows and spreads in exposed people. The study, published in the Journal of Applied Microbiology, will help provide credible data for human health related to anthrax exposure and help officials better understand risks related to a potential anthrax attack.
Down at the nanoscale, where objects span just billionths of a meter, the size and shape of a material can often have surprising and powerful electronic and optical effects. Building larger materials that retain subtle nanoscale features is an ongoing challenge that shapes countless emerging technologies. Now, scientists have developed a new technique to create nanostructured grids for functional materials with unprecedented versatility.
Scientists, for the first time, tracked ultrafast structural changes, captured in quadrillionths-of-a-second steps, as ring-shaped gas molecules burst open and unraveled. Ring-shaped molecules are abundant in biochemistry and also form the basis for many drug compounds. The study points the way to a wide range of real-time x-ray studies of gas-based chemical reactions that are vital to biological processes.
The tiny hairs of Saharan silver ants possess crucial adaptive features that allow the ants to regulate their body temperatures and survive the scorching hot conditions of their desert habitat. According to a new research paper, the unique triangular shape and internal structure of the hairs play a key role in maintaining the ant’s average internal temperature below the critical thermal maximum of 53.6 C (128.48 F).
Heat may be the key to killing certain types of cancer, and new research from a team including NIST scientists has yielded unexpected results that should help optimize the design of magnetic nanoparticles that can be used to deliver heat directly to cancerous tumors.
Surgeons could know while their patients are still on the operating table if a tissue is cancerous, according to researchers from Oak Ridge National Laboratory (ORNL) and Brigham and Women’s Hospital/Harvard Medical School. In Analytical and Bioanalytical Chemistry, a team led by ORNL's Vilmos Kertesz describes an automated droplet-based surface sampling probe that accomplishes in about 10 min what now routinely takes 20 to 30 min.
For the first time in the long and vaunted history of scanning electron microscopy, the unique atomic structure at the surface of a material has been resolved. This landmark in scientific imaging was made possible by a new analytic technique developed by a multi-institutional team of researchers.
In a study that could improve the safety of next-generation batteries, researchers discovered that adding two chemicals to the electrolyte of a lithium metal battery prevents the formation of dendrites—"fingers" of lithium that pierce the barrier between the battery's halves, causing it to short out, overheat and sometimes burst into flame.
An international research group led by scientists at NIST’s Center for Nanoscale Science and Technology has developed a method for measuring crystal vibrations in graphene. Understanding these vibrations is a critical step toward controlling future technologies based on graphene.
Fog can play a key role in cloaking military invasions and retreats and the actions of intruders. That’s why physical security experts seek to overcome fog, but it’s difficult to field test security cameras, sensors or other equipment in fog that is often either too thick or too ephemeral. Until now, collecting field test data in foggy environments was time-consuming and costly.
Blink your eyes and it’s long gone. Carbonic acid exists for a tiny fraction of a second when carbon dioxide gas dissolves in water before changing into a mix of protons and bicarbonate anions. Despite its short life, carbonic acid imparts a lasting impact on Earth’s atmosphere and geology, as well as on the human body. However, because of its short lifespan, the detailed chemistry of carbonic acid has long been veiled in mystery.
The effort to secure a stable, domestic source of a critical medical isotope reached an important milestone this month as the U.S. Dept. of Energy's Argonne National Laboratory demonstrated the production, separation and purification of molybdenum-99 (Mo-99) using a process developed in cooperation with SHINE Medical Technologies.
The problem is simple to understand. Molecules of carbon and other greenhouse gases absorb heat. The more greenhouse gases emitted into the atmosphere, the warmer the atmosphere becomes, exacerbating global climate change. Solving the problem is not so simple, especially with regards to aviation.
If you want to understand how novel phases emerge in correlated materials you can obtain complete viewpoints by taking “snapshots” of underlying rapid electronic interactions. One way to do this is by delivering pulses of extremely short-wavelength UV light to a material and deriving information based on the energy and direction of travel of the emitted electrons.
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