• Survey of Iran’s Advanced Centrifuges - March 2023

    By David Albright, Sarah Burkhard, and Spencer Faragasso

    Iran continues to deploy advanced centrifuges at its three enrichment facilities at Natanz and Fordow in violation of the limitations outlined in the Joint Comprehensive Plan of Action (JCPOA). InFebruary 2021, Iran stopped providing declarations about its production and inventory of centrifuge rotor tubes, bellows, and rotor assemblies, and blocked the IAEA access to IAEA cameras recording activities in the enrichment facilities. In June 2022, Iran removed the IAEA cameras from the enrichment facilities, so no recordings exist. Consequently, the IAEA has had no ability to take inventory.

  • The Iraq Invasion, Twenty Years Later

    Last week marked the 20th anniversary of the United States-led invasion of Iraq. Code-named “Operation Iraqi Freedom” by the George W. Bush administration, the goal was to eliminate weapons of mass destruction, topple Saddam Hussein, and remake Iraq into a democracy. What lessons should we learn from the war and its aftermath?

  • Channeling NEXTGEN TV to Help Responders Answer the Call

    A natural disaster strikes, vehicles collide on a snowy highway, a 5-alarm fire blazes through the night. For first responders, every second counts. DHS S&T is collaborating on a new effort to arm agencies with a digital alerting system that taps into NEXTGEN public TV broadcasting technologies to deliver emergency dispatches faster.

  • Hard-Right Social Media Activities Lead to Civil Unrest: Study

    Does activity on hard-right social media lead to civil unrest? With the emergence and persistent popularity of hard-right social media platforms such as Gab, Parler, and Truth Social, it is important to understand the impact they are having on society and politics.

  • Preventing Fires and Explosions

    Lines in natural gas grids have to be maintained and serviced regularly. This entails using flares to vent the natural gas. With FlareSimulator, research scientists at the Fraunhofer Institute for Factory Operation and Automation IFF have developed an assistive tool that calculates the correct distance of flares to houses, trees and other nearby objects. This makes it easy to maintain minimum distances and prevent potential hazards and explosions.

  • “He Has a Battle Rifle”: Police Feared Uvalde Gunman’s AR-15

    By Zach Despart

    In previously unreleased interviews, police who responded to the Robb Elementary shooting told investigators they were cowed by the shooter’s military-style rifle. This drove their decision to wait for a Border Patrol SWAT team to engage him, which took more than an hour.

  • Western “Self-Deterrence” is Aiding Putin’s War of Aggression

    Putin’s only viable strategy is to outlast Western patience by pursuing a bloody and brutal war of attrition. But the West should not relent in its support of Ukraine, becasue “Stopping attempts to change borders by force is the right thing to do, as the founders of the United Nations agreed almost 80 years ago. It is also a powerful signal to other ambitious autocrats who are eyeing their neighbors and dreaming of annexation through force,” Erlingur Erlingsson and Fridrik Jonsson write.

  • Ignition Experiment Advances Nuclear Stockpile Stewardship Mission

    When scientists at Lawrence Livermore National Laboratory (LLNL) achieved fusion ignition at the National Ignition Facility (NIF) on Dec. 5, 2022 — an extraordinary scientific breakthrough that was decades in the making — the primary mission and driving goal behind the experiment that day was stockpile stewardship science.

  • Ben Thomas: Spotlighting Careers in Nuclear Nonproliferation

    The goal of Ben Thomas of the Department of Energy’s Oak Ridge National Laboratory is not only to bring universities and colleges from across the U.S. into the nonproliferation network, but also to significantly increase the number of minority-serving institutions, or MSIs, participating in the National Nuclear Security Administration Defense Nuclear Nonproliferation University Consortia.

  • Surge in Arms Imports to Europe, While U.S. Dominance of the Global Arms Trade Increases

    Imports of major arms by European states increased by 47 percent between 2013–17 and 2018–22, while the global level of international arms transfers decreased by 5.1 percent. The United States’ share of global arms exports increased from 33 to 40 percent while Russia’s fell from 22 to 16 percent.

  • Taiwan’s High-End Semiconductors: Supply Chain Interdependence and Geopolitical Vulnerability

    What are the geopolitical implications of Taiwan’s dominance in global semiconductor production? How would the peaceful annexation or outright invasion of Taiwan by China affect the United States, its allies and partners, and the global economy? What are the United States’ options for mitigating or reversing the unfavorable effects of either unification scenario?

  • 2021 Hate Crime Statistics: 20-Year High

    The number of hate crimes in the United States jumped to a 20-year high in 2021, the FBI said in an updated report released Monday. The FBI initially issued its annual hate crimes report in December showing 7,262 incidents for 2021.

  • Physicians Get Trained on Gun Safety

    By Emily Moskal

    For the past three years, Winslow and Julie Parsonnet, MD, professor of medicine and of epidemiology, have worked on an online, self-paced course called Clinicians and Firearms. The aim is to promote education for clinicians, teaching how to reduce firearm injuries and deaths, including tips on how to talk to patients about safe storage and temporary removal of firearms from the home during times of high risk.

  • Preventing Violence in Schools: Encouraging Students to Report Threats

    By Doug Irving

    One of the most consistent findings in research on school shootings is that someone knew an attack was possible and didn’t report it. A recent RAND study looked at how schools can better encourage students to come forward when they see or hear something that should concern them. Its top recommendations: tip lines, training, and a lot more trust.

  • Lawmakers: “Clean Reauthorization” of Surveillance Authorities a “Nonstarter”

    By Jeff Seldin

    Key U.S. lawmakers are warning the country’s top intelligence officials that they could soon find themselves without a much-talked-about surveillance authority unless their agencies are able to prove they can be trusted.