Laboratory Science Highlights

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A metamaterial that consists of a two-dimensional array of U-shaped gold structures (square background in the picture) efficiently emits terahertz frequency electromagnetic waves (red axis) when illuminated by a wavelength tunable near-infrared pump laser (blue axis).02.01.15Science Highlight

Metamaterials Shine Bright as New Terahertz Source

Discovery demonstrates how metamaterials may be used in non-invasive material imaging and sensing, and terahertz information technologies. Read More »

A series of x-ray scattering images are taken at ultrafast time intervals with an x-ray laser after excitation with an infra-red source that energizes the vibrational modes of a Germanium crystal.01.01.15Science Highlight

X-ray Laser Used to Produce Movies of Atomic-scale Motion

Stroboscopic x-ray pulses scatter from a vibrating crystal and reveal how energy moves. Read More »

Crop irrigation impacts the use and supply of freshwater around the world, and scientists are working to understand how these impacts may change over regions and time, especially under the influence of climate change.12.01.14Science Highlight

Toward an Earth System Modeling Approach to Simulate Irrigation Effects

Land model improvements are enabling more realistic representations of the climate and hydrological consequences of crop irrigation. Read More »

During a 10-month ARM experiment in India’s Ganges Valley, instruments including a Doppler lidar (shown here) collected measurements of various atmospheric dynamics, cloud properties, and radiative transfer.12.01.14Science Highlight

Large Aerosols Play Unexpected Role in Ganges Valley

ARM study reveals surprising amount of light absorption by large aerosol particles. Read More »

Aerial view of homes inundated with water following a 2011 flood in Minot, N.D. Researchers have compared data from hundreds of catchment sites in the United States to better understand the relationship between annual water balance and flood frequency.12.01.14Science Highlight

Determining Hydrological Controls on Flood Frequency

Study comparing data from hundreds of U.S. catchments could improve flood prediction. Read More »

This graphical representation of lignocellulosic biomass based on supercomputer models illustrates a new study about the inner workings of plant cell walls during bioenergy production.12.01.14Science Highlight

Breaking Down the Mechanisms of Biomass Deconstruction

Study reveals insights into plant structural changes during bioenergy pretreatments. Read More »

Baohua Gu and colleagues at Oak Ridge National Laboratory have developed a method to determine the total number of sulfur compounds called thiols on intact bacterial cells and natural organic matter.12.01.14Science Highlight

New Tool for Studying Toxic Metals in the Environment

Method enables quantification of thiols on bacteria and natural organic matter. Read More »

Representative structures of the fluoroprotactinates synthesized and their structures determined using single crystal X-ray crystallography.10.01.14Science Highlight

At an Elemental Crossroad: Investigating the Chemistry of Protactinium

Studies of protactinium aim to understand its chemistry and its unique electronic properties in the actinide elements. Read More »

Substituting Co into d-MoN gave enhanced activity which approaches that of Pt metal, and which is competitive with that of the best known non-noble metal alternatives.10.01.14Science Highlight

Neutrons Reveal New Electrocatalyst Family for Producing Hydrogen Fuel

New catalyst material provides potential for cheaper renewable hydrogen production. Read More »

Nanocrystals enable new electrically-controlled windows.10.01.14Science Highlight

Smarter Smart Windows

Thin coating of nanocrystals embedded in glass can electrically control light and heat from sunlight as it passes through a window. Read More »

Last modified: 4/21/2016 11:36:54 AM