• How Reliable and Robust Is Human Ability to Recognize Suspicious Activity?

    Security procedures at large public venues and transportation hubs rely upon vigilant and engaged security officers who are tasked, in part, with timely and appropriate responses to suspicious behavior of potential hostile actors. But how capable are individuals at detecting suspicious behavior?

  • Better Resources to Mitigate Explosive Threats

    Every second counts when responders encounter an explosive device, and critical decisions must be made quickly in order to neutralize the threat while also ensuring the security of civilians, property, and the responders themselves.

  • Aging Bridge Detection Through Digital Image Correlation

    Researchers have developed a novel and practical method of assessing the mechanical properties of structures, with potential application to structural health monitoring of large structures such as bridges and viaducts.

  • Using Artificial Mussels to Monitor Radioactivity in the Ocean

    Amid the global concern over the pollution of radioactive wastes in the ocean, researchers have conducted a study which has found that “artificial mussels” (AMs) can effectively measure low concentrations of radionuclides in the sea. It is believed that this technology can be applied as a reliable and effective solution for monitoring radioactive contamination around the world.

  • Scent Dogs Can Detect COVID-19 More Rapidly, Accurately Than Current Tests

    Scent dogs may represent a cheaper, faster and more effective way to detect COVID-19, and could be a key tool in future pandemics, a new review of recent research suggests. The review found that scent dogs are as effective, or even more effective, than conventional COVID-19 tests such as RT-PCR.

  • Software System Finds, Tracks Moving Objects as Small as a Pixel

    A new patented software system developed at Sandia can find the curves of motion in streaming video and images from satellites, drones and far-range security cameras and turn them into signals to find and track moving objects as small as one pixel. The developers say this system can enhance the performance of any remote sensing application.

  • Robots Could Help Verify Compliance with Nuclear Arms Agreements

    Ensuring that countries abide by future nuclear arms agreements will be a vital task. Inspectors may have to count warheads or confirm the removal of nuclear weapons from geographical areas. Those hotspots could include underground bunkers and require confirmation that no weapons exist in a location at all. Now, researchers have devised an automated way to ensure compliance.

  • Training for Nuclear Incidents and Preparing WMD Responses

    “Radiological material can end up in almost any location or any place and take on almost any shape and form,” an expert told participants a few weeks ago at the first Sandia Lab’s Weapons of Mass Destruction Counterterrorism and Incident Response Showcase. Preparing for nuclear incidents is not dealing with hypotheticals. “It is not practice. It is not an exercise. It is real life stuff,” he said.

  • The Iran Threat Geiger Counter: Moving Toward Extreme Danger

    The Iran Threat Geiger Counter from the Institute for Science and International Security measures on a regular basis Iran’s hostile intentions toward the United States and U.S. allies, and its capability to turn these hostile intentions into action. As with the radiation levels measured by a Geiger counter, any level above zero represents a degree of danger, and over the last six months, the threat posed by Iran has increased. As of May 2023, the Institute assigns Iran a total threat score of 140 out of 180, up from 130 in October 2022, and assessed as High Danger.

  • Exploring Feasibility of Using Drones to Survey Sites for Low Levels of Radiation

    Drones are tools for search and rescue, traffic monitoring, weather monitoring, and perhaps even package hauling. One day, they may work with humans to augment the task of conducting surveys to detect low levels of radiation—information that could contribute to the decommissioning of sites no longer needed for nuclear-related energy production or research.

  • We Could Easily Make Risky Virological Research Safer

    Lab Accidents happen, and they aren’t especially rare. A new book — appropriately titled Pandora’s Gamble — offers a shocking accounting of the problem, identifying more than a thousand accidents reported to federal regulators from 2008 to 2012. David Wallace-Wells, referring to the recommendations from the National Science Advisory Board for Biosecurity on how to minimize the risks from research biolabs, writes: “These suggestions would not eliminate the risk of lab accidents, but they would reduce the risk — and fairly simply.”

  • Improving Capabilities of Portable Drug Detection Systems

    DHS S&T and partners are working to improve their ability to identify different narcotics, like fentanyl. Narcotics detection systems libraries will be enhanced via the collection of data on approximately 50 restricted substances, primarily related to synthetic opioids like fentanyl, that are scheduled and controlled by the Drug Enforcement Administration.

  • Nuclear Agency Cannot Continue With “Business as Usual” in the Shifting Supercomputing Landscape: Report

    The National Nuclear Security Administration (NNSA) needs to fundamentally rethink the strategy for its next generation of high-performance computing, says a new report from the National Academies of Sciences.

  • Producing Medical Isotopes While Lowering the Risk of Nuclear Weapons Proliferation

    Scientists and engineers at Argonne have been working for decades to help medical isotope production facilities around the world change from the use of highly enriched uranium (HEU) to the use of low-enriched uranium (LEU), which is much more difficult to use in a weapon.

  • Enhancing Advanced Nuclear Reactor Analysis

    Nuclear power is a significant source of steady carbon-neutral electricity, and advanced reactors can add more of it to the U.S. grid, which is vital for the environment and economy. Sandia Lab researchers have developed a standardized screening method to determine the most important radioactive isotopes that could leave an advanced reactor site in the unlikely event of an accident.