Weapons Technology

Weapons Technology News -- ScienceDaily Read the latest developments in non-lethal weapons, weapons of mass destruction (WMD), nuclear weapons, chemical weaponry and more.

  • New theory rewrites opening moments of Chernobyl disaster
    on November 17, 2017 at 1:51 pm

    A brand-new theory of the opening moments during the Chernobyl disaster, the most severe nuclear accident in history, based on additional analysis. […]

  • A fast reactor system to shorten the lifetime of long-lived fission products
    on November 14, 2017 at 2:12 pm

    Researchers have proposed a more efficient method to reduce radioactive waste. The study involves converting radioactive material into short-lived nuclides by absorbing surplus neutrons in the core peripheral portion of a small fast reactor faster than they are generated in the core, thus providing an effective way to lessen the burden of nuclear waste on future generations. […]

  • Nuclear energy programs do not increase likelihood of proliferation, study finds
    on November 6, 2017 at 4:22 pm

    Contrary to popular thought, nuclear proliferation is not more likely to occur among countries with nuclear energy programs, according to research. In a historical analysis of the relationship between nuclear energy programs and proliferation from 1954 to 2000, the study finds that the link between the two has been overstated. […]

  • Revolutionizing nuclear waste reprocessing and saving money
    on November 1, 2017 at 1:20 pm

    Seeking a better way to capture radioactive iodides in spent nuclear reactor fuel, scientists have developed an extremely efficient 'molecular trap' that can be recycled and reused. […]

  • New 'molecular trap' cleans more radioactive waste from nuclear fuel rods
    on October 5, 2017 at 3:10 pm

    A new method for capturing radioactive waste from nuclear power plants is cheaper and more effective than current methods, a potential boon for the energy industry, according to new research. […]

  • Safety assistance system warns of dirty bombs
    on October 5, 2017 at 2:38 pm

    The threat of terrorism has been on the rise in recent years, with experts and politicians particularly worried that terrorists might make use of dirty bombs. Researchers have developed a new system that will be able to detect possible carriers of radioactive substances, even in large crowds of people. […]

  • New source of radioactivity from Fukushima disaster
    on October 2, 2017 at 8:12 pm

    Scientists have found a previously unsuspected place where radioactive material from the Fukushima Dai-ichi nuclear power plant disaster has accumulated -- in sands and brackish groundwater beneath beaches up to 60 miles away. The sands took up and retained radioactive cesium originating from the disaster in 2011 and have been slowly releasing it back to the ocean. […]

  • Like a revolving door: How shuttling proteins operate nuclear pores
    on September 4, 2017 at 1:36 pm

    Nuclear pore complexes are tiny channels where the exchange of substances between the cell nucleus and the cytoplasm takes place. Scientists report on startling new research that might overturn established models of nuclear transport regulation. Their study reveals how shuttling proteins known as importins control the function of nuclear pores – as opposed to the view that nuclear pores control the shuttling of importins. […]

  • Radiological crimes investigations: Scientist-detectives put themselves to the test
    on August 23, 2017 at 10:45 pm

    When radioactive material is intercepted at the border, officials need scientific support to determine what it is, if it's dangerous to first responders or the public, and if it's illegal to possess. […]

  • Improvised explosive devices inflict much more serious injuries than land mines
    on August 23, 2017 at 10:44 pm

    The types of close contact injuries inflicted by improvised explosive devices (IEDs) are much more serious than those associated with land mines, finds research. […]

  • Confederate submarine crew killed by their own weapon
    on August 23, 2017 at 6:07 pm

    A powerful shockwave from the H.L. Hunley's own weapon killed the crew of the Confederate combat submarine as it sunk a Union ship. This finding comes from a four-year research project that involved repeatedly setting blasts near a scale model, shooting authentic weapons at historically accurate iron plate and many calculations on human respiration and the transmission of blast energy. […]

  • Energized fabrics could keep soldiers warm and battle-ready in frigid climates
    on August 20, 2017 at 11:50 am

    Soldiering in arctic conditions is tough. Protective clothing can be heavy and can cause overheating and sweating, while hands and feet can grow numb. To keep military personnel more comfortable, scientists are trying to create high-tech fabrics that heat up when powered and that capture sweat. These fabrics could conceivably be used in future consumer clothing. […]

  • Detecting a concealed weapon or threat is not easy, even for experienced police officers
    on August 15, 2017 at 4:14 pm

    Terrorist attacks and bombings at concerts, sporting events and airports underscore the need for accurate and reliable threat detection. However, the likelihood of a police officer identifying someone concealing a gun or bomb is only slightly better than chance, according to new research. […]

  • New SQUID-based detector opens up new fields of study with new level of sensitivity
    on August 11, 2017 at 8:25 pm

    Investigators have developed a new sensor array-based instrument that offers ultra-low noise detection of small amounts of energy for a number of applications. The new device allows for the collection of data from many more detectors than was previously possible. […]

  • Why a single nuke's impact shouldn't only be measured in megatons
    on July 13, 2017 at 12:26 pm

    A single nuclear warhead could cause devastating climate change, resulting in widespread drought and famine that could cost a billion lives, warn researchers. […]

  • New technique 'sees' radioactive material even after it's gone
    on July 3, 2017 at 4:10 pm

    A new technique allows researchers to characterize nuclear material that was in a location even after the nuclear material has been removed -- a finding that has significant implications for nuclear nonproliferation and security applications. […]

  • Quantum probes dramatically improve detection of nuclear spins
    on July 3, 2017 at 2:13 pm

    Researchers have demonstrated a way to detect nuclear spins in molecules noninvasively, providing a new tool for biotechnology and materials science. Important research in medicine and biology relies on nuclear magnetic resonance (NMR) spectroscopy, but until now, it has been limited in spatial resolution and typically requires powerful microwave fields. Scientists have now used a quantum probe to perform microwave-free NMR at the nanoscale. […]

  • Long duration experiments reach 1,000th day
    on July 3, 2017 at 12:54 pm

    The first experiment placed on Diamond’s Long Duration Experimental (LDE) facility, on beamline I11, has now been in place for 1,000 days. The experiment has used the world-leading capabilities of the beamline to investigate the hydration of cements used by the nuclear industry for the storage and disposal of waste. […]

  • Breakthrough in nuclear threat detection science
    on June 29, 2017 at 3:28 pm

    Taking inspiration from an unusual source, a research team has dramatically improved the science of scintillators -- objects that detect nuclear threats. According to the team, using organic glass scintillators could soon make it even harder to smuggle nuclear materials through America's ports and borders. […]

  • Neutron-rich nucleus shapeshifts between a rugby ball and a discus
    on June 23, 2017 at 2:04 pm

    There are two coexisting, competing quantum shapes at low energy in 98Kr, never before seen for neutron-rich Kr isotopes, report scientists. The team also showed that these isotopes experience a gentle onset of deformation with added neutrons, in sharp contrast with neighboring isotopes of rubidium, strontium, and zirconium, which change shapes suddenly at neutron number 60. This study marks a decisive step towards an understanding of the limits of this quantum phase transition region. […]

  • Bacteria free themselves with molecular 'speargun'
    on June 16, 2017 at 12:37 pm

    Many bacteria are armed with nano-spearguns, which they use to combat unwelcome competitors or knockout host cells. The pathogen responsible for tularemia, a highly virulent infectious disease, uses this weapon to escape from its prison in cells defending the host, report researchers. […]

  • Imaging helps to spot fake ancient daggers
    on June 12, 2017 at 1:41 pm

    Collectors have become increasingly interested in weapons from ancient Asia and the Middle East. Attempting to fight forgeries, physicists are now adding their imaging power to authenticate these weapons. […]

  • Study improves remote detection of hazardous radioactive substances
    on June 9, 2017 at 2:22 pm

    A new method has been proposed that might be used to detect nuclear hazards from up to a few hundred meters away. […]

  • New fabric coating could thwart chemical weapons, save lives
    on June 7, 2017 at 4:39 pm

    Chemical weapons are nightmarish. In a millisecond, they can kill hundreds, if not thousands. But, in a study, scientists report that they have developed a way to adhere a lightweight coating onto fabrics that is capable of neutralizing a subclass of these toxins -- those that are delivered through the skin. The life-saving technique could eventually be used to protect soldiers and emergency responders. […]

  • New-generation material removes iodine from water
    on June 7, 2017 at 4:37 pm

    New material scrubs iodine from water for the first time and could hold the key to cleaning nuclear accidents. […]

  • US nuclear regulators greatly underestimate potential for nuclear disaster
    on May 25, 2017 at 6:15 pm

    The US Nuclear Regulatory Commission relied on faulty analysis to justify its refusal to adopt a critical measure for protecting Americans from nuclear-waste fires at dozens of reactor sites around the country, according to a recent article. Radioactivity from such a fire could force approximately 8 million people to relocate and result in $2 trillion in damages. […]

  • Your mobile phone can reveal whether you have been exposed to radiation
    on May 24, 2017 at 6:03 pm

    In accidents or terror attacks which are suspected to involve radioactive substances, it can be difficult to determine whether people nearby have been exposed to radiation. But by analysing mobile phones and other objects which come in close contact with the body, it is possible to retrieve important information on radiation exposure. […]

  • Atomic structure of irradiated materials is more akin to liquid than glass
    on May 23, 2017 at 4:42 pm

    Materials exposed to neutron radiation tend to experience significant damage. At the nanoscale, these incident neutrons collide with a material's atoms, which then collide with each other. The resulting disordered atomic network resembles those seen in some glassy materials, which has led many in the field to use them in nuclear research. But the similarities between the materials may not be as useful as previously thought. […]

  • In a neutron-rich tin nucleus, electromagnetism can win over the strong force
    on May 19, 2017 at 12:38 pm

    The atomic nucleus offers a unique opportunity to study the competition between three of the four fundamental forces known to exist in nature, the strong nuclear interaction, the electromagnetic interaction and the weak nuclear interaction. Only the much weaker gravitational force is irrelevant for the description of nuclear properties. Although in general the decay of an excited nuclear state follows the hierarchy of these forces, there are sometimes exceptions. […]

  • Researchers study DNA from explosives
    on May 16, 2017 at 1:08 pm

    Researchers hope to unmask manufacturers of homemade explosives using new advancements in DNA technology. […]