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    Squeezed Quantum Dots Produce More Stable Light

    Squeezed Quantum Dots Produce More Stable Light

    Exploiting a strain-engineering approach could provide nanoscale light sources with a nonfluctuating emission wavelength for use in sensors, quantum communication, and imaging.

    One Device, Many Frequencies: Argonne Researchers Create a Unique, Tiny Resonator

    One Device, Many Frequencies: Argonne Researchers Create a Unique, Tiny Resonator

    A finding from a team led by scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory could ultimately help improve the army of tiny, vibrating components found in a range of electronics and even create devices that mimic biological processes. The researchers have pioneered a micromechanical device that responds to external signals in an entirely new way.

    Unexpected Complexity: A 3D Look into Plant Root Relationships with Nitrogen-Fixing Bacteria

    Unexpected Complexity: A 3D Look into Plant Root Relationships with Nitrogen-Fixing Bacteria

    Scientists develop a molecular map of metabolic products of bacteria in root nodules to aid sustainable agriculture.

    Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2019

    Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2019

    Neutrons used to study how an antibacterial peptide fights bacteria; decade-long study finds higher CO2 levels caused 30 percent more wood growth in U.S. trees; ultrasonic additive manufacturing to embed fiber optic sensors in heat- and radiation-resistant materials could yield safer reactors; ORNL analyzes "dark spots" where informal neighborhoods may lack power access; new Transportation Energy Data Book released.

    New ORNL AI tool revolutionizes process for matching cancer patients with clinical trials

    New ORNL AI tool revolutionizes process for matching cancer patients with clinical trials

    A team of researchers from the Department of Energy's Oak Ridge National Laboratory (ORNL) Health Data Sciences Institute (HDSI) have harnessed the power of artificial intelligence (AI) to better match cancer patients with clinical trials. The researchers were one of ten teams to develop a digital tool to address complex challenges relevant to medical conditions such as cancer and Lyme disease as part of The Opportunity Project (TOP) Health Sprint, a 14-week effort sponsored by the Census Bureau, coordinated by the Department of Health and Human Services, and led by two Presidential Innovation Fellows.

    Scientists use machine learning to identify high-performing solar materials

    Scientists use machine learning to identify high-performing solar materials

    Thanks to a study that combines the power of supercomputing with data science and experimental methods, researchers at the U.S. Department of Energy's (DOE) Argonne National Laboratory and the University of Cambridge in England have developed a novel "design to device" approach to identify promising materials for dye-sensitized solar cells (DSSCs).

    How to Catch a Magnetic Monopole in the Act

    How to Catch a Magnetic Monopole in the Act

    A research team led by the Department of Energy's Lawrence Berkeley National Laboratory has created a nanoscale "playground" on a chip that simulates the formation of exotic magnetic particles called monopoles. The study could unlock the secrets to ever-smaller, more powerful memory devices.

    Uncovering the Microbial Food Web in Thawing Permafrost

    Uncovering the Microbial Food Web in Thawing Permafrost

    Recovery of more than 1500 microbial genomes shines light on how carbon is metabolized as permafrost thaws.

    Right electrolyte doubles novel two-dimensional material's ability to store energy

    Right electrolyte doubles novel two-dimensional material's ability to store energy

    Scientists at the Department of Energy's Oak Ridge National Laboratory, Drexel University and their partners have discovered a way to improve the energy density of promising energy-storage materials, conductive two-dimensional ceramics called MXenes.

    Easing bacterial traffic jams

    Easing bacterial traffic jams

    Argonne scientists have developed a way to control the motion of swimming bacteria using 3-D-printed microscopic pillars. This advance might eventually influence microscopic transport, biomedicine and even microrobotics.

    Scientists measure exact edge between superconducting and magnetic states

    Scientists measure exact edge between superconducting and magnetic states

    Scientists at the U.S. Department of Energy's Ames Laboratory have developed a method to accurately measure the "exact edge" or onset at which a magnetic field enters a superconducting material.

    Gust or Bust: Blustery Winds Important for Modeling Tropical Rainfall

    Gust or Bust: Blustery Winds Important for Modeling Tropical Rainfall

    Researchers find gusty winds increase surface evaporation that drives summer rainstorms in the Tropical West Pacific.

    Why Toxic Methylmercury Production Increased in a Great Lakes Estuary

    Why Toxic Methylmercury Production Increased in a Great Lakes Estuary

    Research offers evidence that microbes and organic matter raise toxin levels, potentially helping improve mercury monitoring.

    New AI approach bridges the 'slim-data gap' that can stymie deep learning approaches

    New AI approach bridges the 'slim-data gap' that can stymie deep learning approaches

    Scientists have developed a deep neural network that sidesteps a problem that has bedeviled efforts to apply artificial intelligence to tackle complex chemistry - a shortage of precisely labeled chemical data.

    Supplying High-Quality Cancer-Imaging Isotopes

    Supplying High-Quality Cancer-Imaging Isotopes

    New method produces high-purity zirconium-89, a diagnostic radionuclide used to image cancerous tumors.

    Steady as She Goes

    Steady as She Goes

    Scientists tame damaging edge instabilities in steady-state conditions required in a fusion reactor.

    Breakthrough Shines Light on Disease-Fighting Protein

    Breakthrough Shines Light on Disease-Fighting Protein

    A combination of X-ray crystallography and cryo-electron microscopy assisted in a collaborative effort to obtain the highest-resolution structure of the fungal protein Hsp104, which may serve to hinder the formation of certain degenerative diseases.

    Laser 'Drill' Sets a New World Record in Laser-Driven Electron Acceleration

    Laser 'Drill' Sets a New World Record in Laser-Driven Electron Acceleration

    Combining a first laser pulse to heat up and "drill" through a plasma, and another to accelerate electrons to incredibly high energies in just tens of centimeters, scientists have nearly doubled the previous record for laser-driven particle acceleration at Berkeley Lab's BELLA Center.

    Silicon and a State of Shock

    Silicon and a State of Shock

    A novel experimental geometry at the Linac Coherent Light Source reveals, for the first time, how silicon responds to shocks similar to those in a planet's core.

    New research identifies causes for defects in 3D printing and paves way for better results

    New research identifies causes for defects in 3D printing and paves way for better results

    New research, led by teams from Carnegie Mellon University and the U.S. Department of Energy's (DOE) Argonne National Laboratory, has identified how and when tiny gas pockets in manufactured products, which lead to cracks and other failures, form. The team has also developed a methodology to predict their formation - information that could dramatically improve the 3D printing process.

    Do Alpha Particle Condensates Exist in Oxygen Nuclei?

    Do Alpha Particle Condensates Exist in Oxygen Nuclei?

    Yes. Such condensates, analogous to those in carbon-12, in heavier nuclei could change how we describe certain elements.

    Not All Ions in Tokamaks Go with the Flow

    Not All Ions in Tokamaks Go with the Flow

    Spectroscopic measurements reveal that main ions flow much faster than impurities at the edge of fusion-relevant plasmas.

    Researchers watch molecules in a light-triggered catalyst ring 'like an ensemble of bells'

    Researchers watch molecules in a light-triggered catalyst ring 'like an ensemble of bells'

    An international team has used an X-ray laser at the Department of Energy's SLAC National Accelerator Laboratory to get an incredibly detailed look at what happens to the structure of a model photocatalyst when it absorbs light.

    Measuring the Impossible: X-ray Photoelectron Spectroscopy of Hydrogen and Helium

    Measuring the Impossible: X-ray Photoelectron Spectroscopy of Hydrogen and Helium

    The two most abundant elements in the universe, hydrogen and helium, were previously thought to be impossible to measure by X-ray photoelectron spectroscopy.

    New Model Sheds Light on Key Physics of Magnetic Islands that Can Halt Fusion Reactions

    New Model Sheds Light on Key Physics of Magnetic Islands that Can Halt Fusion Reactions

    Surprisingly, a magnetic island does not necessarily perturb the plasma current in a dangerous way and destroy fusion performance.