Articles tagged with Nuclear Weapons
A study from the University of Otago found that 51 deceased leaders of nuclear-armed countries had multiple serious health issues while in office, including dementia, personality disorders, and depression. This raises concerns over their decision-making abilities while they had access to nuclear weapon launch codes.
Advanced signal detectors have a low success rate detecting underground nuclear tests when seismic signals from nearby earthquakes overlap. Researchers found that even sophisticated multi-channel correlation detectors can only identify explosions with a 37% success rate, contrasting with a 97% success rate without earthquake interference.
A recent study published in Seismica journal has debunked claims that a magnitude 4.5 earthquake in Iran was a covert nuclear weapons test. The researchers analyzed seismic signals from the event and concluded that it was caused by natural geological forces, contradicting widespread misinformation on social media and news outlets.
A team of Earth scientists and statisticians has developed a method that can identify underground nuclear explosions with 99% accuracy. This breakthrough, published in Geophysical Journal International, uses data from known US nuclear tests and seismic patterns to distinguish between nuclear and natural earthquakes.
Researchers at Australian National University developed a new method to accurately spot underground nuclear tests, including those conducted in secret. The approach achieved a 99% success rate in classifying known explosions, including those conducted by North Korea from 2006 to 2017.
A team from Tokyo Institute of Technology has developed a method to remotely monitor nuclear reactors using antineutrinos. The approach, published in the Journal of Nuclear Science and Technology, could help prevent the manufacturing of materials for nuclear weapons.
A new monitoring system uses radio waves to track changes in a room's nuclear weapons stockpile, providing a secure way to verify compliance with disarmament treaties. The system combines cyber-physical security assessments with cross-system physics to enable new levels of trust in the Internet of Things.
Researchers from Vienna University of Technology and Leibniz University of Hannover have found the solution to the wild boar paradox. The radioactivity in wild boar meat remains high due to the accumulation of cesium-137 from nuclear weapons tests, which is also present in deer truffles that are particularly favored by wild boars.
The editorial highlights the crucial role of health professionals in warning the public about the devastating consequences of nuclear war. The call to action aims to prevent the use of nuclear weapons, protecting essential life support systems and human health.
A group of international scientists warn that nuclear radiation would have catastrophic consequences on ecosystems, including widespread hunger, toxic contamination, and habitat destruction. The authors urge policymakers to take action to mitigate these risks.
Researchers used computer modeling to simulate a nuclear explosion and found that high airspeeds remain a considerable hazard inside buildings. The tight spaces can increase airspeed, causing severe injuries or fatalities.
The University of Texas at El Paso will provide scholarships, stipends, and research opportunities to underrepresented students as part of a $5M DOE grant. The program aims to develop electronics for extreme environments and increase the electrical engineering workforce.
A Rutgers-led study estimates that a full-scale US-Russia nuclear war would cause global crop production to decline by up to 90% and lead to widespread starvation. This could result in over 5 billion people dying of hunger, with severe disruptions in global food markets.
A new study warns of the devastating effects of nuclear war on the Earth's systems. Global temperatures would plummet by 13 degrees Fahrenheit, causing crop failure worldwide. Ocean temperatures would drop quickly, leading to a 'Nuclear Little Ice Age' and disrupting marine ecosystems.
A new research paper by Andrew Futter, Professor of International Politics at the University of Leicester, warns of a 'Third Nuclear Age' due to advancements in nuclear weapons technology. The 'Third Nuclear Age' could fundamentally change the rules on nuclear order and stability, posing significant risks to global security.
Researchers use radiochronometry and forensic methods to determine the age and origins of Heisenberg and Diebner cubes. The findings will help train international border guards and nuclear forensics researchers to detect nuclear material.
A recent study published in the European Journal of International Security found that men and supporters of the Conservative Party are more likely to support the use of nuclear weapons. The study analyzed data from the new UK Security Survey and found that those who voted to leave the EU and endorsed superior military power worldwide w...
A new type of manmade quasicrystal created by the first test blast of an atomic bomb has been identified by a UMass Lowell geologist. The substance holds promise for various applications such as bone repair, heat insulation and converting heat to electricity.
Scientists have discovered that plutonium particles from nuclear testing in Australia are more complex and varied than previously thought. The particles, which were dispersed after nine atomic bombs were detonated in remote areas of South Australia, persist in soils to this day, posing a risk to wildlife and the environment.
Researchers identified a unique icosahedral quasicrystal in a red trinitite sample from the Trinity test, the first nuclear bomb detonation. The discovery reveals that similar thermodynamic conditions may produce other quasicrystals.
Experts warn of potential global catastrophes such as engineered pandemics and nuclear annihilation, while also identifying areas for improvement. Scientists like Martin Rees argue that promoting wise technology deployment can minimize risks and ensure a sustainable future.
Researchers at Lancaster University have made a breakthrough in measuring miniscule levels of plutonium pollution in soils to differentiate between local and global sources. This innovation could help inform clean-up operations around nuclear power plants, saving time and money.
A recent study found that individuals with Republican leanings tend to support the use of nuclear and conventional weapons against enemy civilians and combatants. This partisan divide in views on violence is linked to underlying attitudes towards immigrants, gun rights, and abortion, according to researchers.
The Combined Engineering Judgment review by Sandia's Delegated Chief Engineer for Nuclear Weapons Ernie Wilson validated the lab's work on the B61-12 Life Extension Program, ensuring the weapon meets safety and security requirements. The program aims to extend the bomb's service life by decades through refurbishment and modernization.
Scientists have correctly determined the age of whale sharks using radioactive legacy of Cold War nuclear bomb tests. The discovery will help ensure the survival of the endangered species by accurately estimating its growth rate.
Researchers have developed antineutrino detection technology to monitor nuclear reactors and detect plutonium production, providing high-level assurances of treaty compliance. The technology has potential applications in near-field and far-field monitoring, as well as verifying treaty compliance by tracking spent fuel.
A new study suggests a nuclear conflict anywhere on Earth would lead to a decade of global cooling and a severe decline in crop production, compromising global food security. The study found that the sudden change in climate would cause significant crop losses, particularly in northern breadbasket regions.
A study by Rutgers University finds that a limited nuclear war between India and Pakistan could result in the worst global food losses in modern history. Sudden cooling, reduced precipitation, and decreased sunlight could disrupt food production and trade worldwide for up to a decade.
New research finds that Americans perceive the likelihood of a nuclear weapon detonating on US soil as a coin toss, with younger generations being more apathetic about nuclear topics. Media use plays a significant role in shaping perceptions, particularly among Millennials and Gen Z.
Wood ants trapped in a Polish nuclear bunker were found to survive on cannibalizing dead nestmates when food was scarce. A recent study revealed the ants' ability to adapt to marginal habitats and suboptimal conditions, allowing them to thrive in the confined space.
Researchers warn that a nuclear conflict between India and Pakistan would release massive amounts of black carbon into the atmosphere, blocking out sunlight and cooling the planet by 2-5°C. This would lead to severe droughts, diminished plant growth, and potentially mass starvation, threatening global stability.
A Rutgers University co-authored study finds that a nuclear war between India and Pakistan could result in over 100 million immediate deaths and global mass starvation. The conflict could also lead to a significant decline in sunlight reaching the Earth's surface, causing regional cooling and reduced precipitation.
A new method uses neutron beams to establish facts about warheads, physically encrypting information to prevent disclosure of military secrets. The system balances verification with secrecy for countries involved in arms reduction pacts.
Researchers measured high levels of external gamma radiation on islands exposed to nuclear testing, including Bikini and Rongelap Atolls. The study also revealed high activity concentrations of radioactive isotopes in soil samples and fruits from the affected areas.
Researchers found a unique assortment of glassy particles, including those resembling meteorite impacts and others with rubber-like composition. The high concentration of these particles suggests they are related to the atomic bomb blast that devastated Hiroshima in 1945.
The Texas A&M Center for Research Excellence on Dynamically Deformed Solids (CREDDS) will explore advanced manufacturing processes and new materials for nuclear weapon refurbishment. The center will also train the next generation of scientists and engineers to ensure the safety, security, and effectiveness of the US nuclear deterrent.
A study by Michigan Technological University researchers suggests that more than 100 nuclear weapons in a nation's arsenal can destabilize the country and lead to widespread starvation. The authors argue that maintaining such a large number of nuclear weapons is not only counterproductive but also costly.
Philosopher Prof. Dr Michael Quante warns against 'drifting into state terrorism' due to modern weapon systems and ambiguity in the concept of peace. He advocates for honest discussion about war and peace, clearly naming interests pursued by warfare, and remembering the 'just war' doctrine.
The US will gain better capabilities to respond to a nuclear attack thanks to Penn State's research on nuclear forensics, which will analyze special nuclear materials for unique signatures. The project will enhance national response in the face of a nuclear detonation and contribute to broader applications in nuclear science.
A Dartmouth study finds that nuclear energy programs have not led to an increase in proliferation among participating countries. Despite the technical ability to develop nuclear weapons, countries with energy programs face political obstacles and international scrutiny that counter this risk.
A wood ant colony has thrived in a Polish nuclear bunker for years, defying the harsh conditions of extreme cold and darkness. The colony's population has grown to hundreds of thousands, with researchers finding evidence of complex social behavior and even repair work on their nest.
Researchers at Texas Tech University have developed hexagonal boron nitride semiconductors as a low-cost alternative for inspecting overseas cargo containers entering US ports. The material offers high detection efficiency and sensitivity, making it suitable for various applications beyond nuclear weapons detection.
An international team of researchers analyzed data from 308,297 nuclear industry workers and found a linear increase in cancer mortality with increasing radiation exposure. The study strengthens the scientific basis for current radiation protection standards.
The Hiroshima Archive is a pluralistic digital repository of materials contributed by institutions and individuals, featuring video interviews with A-bomb survivors, photographs, and other records. The archive provides insight into the reality of the atomic bombing in Hiroshima.
A report by Princeton researchers suggests that partnering with Iran's neighbors and E3+3 nations could reduce proliferation risks. The authors propose a multinational approach to uranium enrichment, giving access to the plant while ensuring transparency.
Iran's national uranium enrichment plant could be sold to other countries to keep the nuclear program peaceful. Multinationalizing the program ahead of 2025 could set a standard reducing nuclear proliferation risks worldwide.
Researchers at Lawrence Livermore National Laboratory simulated a nuclear explosion using new experiments and computer modeling to analyze plutonium behavior. The results will help scientists perform forensic analyses in the case of an actual detonation, providing deeper insights into the element's properties.
Experts warn that nuclear modernization programs can prolong the nuclear era, creating international instability and undermining national security. A balanced approach is needed to achieve a balance between modernization and disarmament, with the US, Russia, and China taking the lead.
A team of scientists proposes using nuclear weapons fallout to mark the beginning of a new geological age, the Anthropocene. The proposal is based on the significant geochemical signatures left by human activities in sediments accumulating across the planet.
Researchers develop a new classification system for Charge Density Waves (CDWs) based on their nature, improving understanding of these complex phenomena. The study sheds light on the origin of CDWs and corrects a long-standing textbook picture, providing insights into materials science.
Researchers at Princeton University and the DOE's PPPL are developing a prototype system that can verify the presence of warheads without collecting classified information. The system uses high-energy neutrons to compare warheads with known true warheads, providing a key step towards reducing nuclear arms.
Recent analysis in the Bulletin of the Atomic Scientists reveals that the Cuban Missile Crisis was even more perilous than history has acknowledged. Senior experts have calculated the nature of nuclear weapons capabilities on both sides, finding that the situation was more serious and dangerous than previously thought. The study highli...
A special issue in International Relations journal revisits the Cuban Missile Crisis to clarify debates over key issues and nuclear deterrence. New information suggests we were closer to Armageddon than realized, highlighting the need for continued study.
China's unique deployment of modern conventional ballistic missiles has a decisive effect on its war plan, creating critical uncertainties. The country's military considers conventional missiles as a fundamental source of political and military strength, but this also generates risks of escalation.
Climate scientists repurpose Cold War research laboratories to track radioactivity and model nuclear bomb blasts, with applications in anthropogenic climate change. Nuclear science roots have also found a place in environmental scientists' toolboxes.
Researchers found that a hypothetical nuclear war between India and Pakistan would greatly reduce staple crop yields, even in distant countries, with decreases of 10-40% and 2-20% respectively. The study used global climate models to calculate the climate impacts of such a conflict.
The authors recommend establishing a system of independent regulation and peer review for countries involved in nuclear energy and weapons development. They also urge adoption of U.S.-style independent peer review and improved dialogue between the military and nuclear energy communities to reduce risks and promote international trust.
The Bulletin of the Atomic Scientists' special issue reviews 2011's top threats, including Iran's nuclear program, Fukushima's aftermath, and a growing partisan divide in US climate policy. The Doomsday Clock Symposium evaluates the world's progress on biological threats and nuclear disarmament.
A new study by Hagen Scherb and Kristina Voigt found a significant gender gap in human populations exposed to nuclear radiation, with increases in male births relative to female births. The study reveals a long-term, dose-dependent impact of radiation exposure on human sex odds.
Research published in the Bulletin of Atomic Scientists warns that US missile defense systems are not reliable and would not be effective in combat conditions. The authors propose a new drone-based system as an alternative, which could reliably intercept long-range ballistic missiles before they reach their targets.