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.

  • Ukrainian villages still suffering legacy of Chernobyl more than 30 years on
    on June 8, 2018 at 1:36 pm

    Milk in parts of Ukraine has radioactivity levels up to five times over the country's official safe limit, new research shows. […]

  • Construction delays make new nuclear power plants costlier than ever
    on May 29, 2018 at 5:20 pm

    The cost of building new nuclear power plants is nearly 20 percent higher than expected due to delays, a new analysis has found. […]

  • Fukushima radioactive particle release was significant, says new research
    on May 24, 2018 at 2:41 pm

    Scientists say there was a significant release of radioactive particles during the Fukushima-Daiichi nuclear accident. The researchers identified the contamination using a new method and say if the particles are inhaled they could pose long-term health risks to humans. […]

  • Radar reveals details of mountain collapse after North Korea's most recent nuclear test
    on May 10, 2018 at 7:00 pm

    North Korea's Sept. 3, 2017, underground nuclear test -- it's latest and biggest -- created a 5.2 magnitude earthquake and 4.5 magnitude aftershock. Researchers combined synthetic aperture radar with seismic measurements to determine that the explosion pushed the mountain surface outward up to 11 feet and left it 20 inches shorter, probably after cavity collapse and subsequent compression of fractured rock. The aftershock may have been a tunnel collapse. […]

  • 3-D printing of weapons threatens security on global, national and personal level
    on May 8, 2018 at 12:14 pm

    A new article suggests additive manufacturing could benefit military adversaries, violent extremists and even street criminals, who could produce their own weapons for use and sale. […]

  • Army's new find lowers accidental stockpile detonation
    on May 1, 2018 at 5:07 pm

    Scientists at two major national laboratories have demonstrated a new method for testing explosives stored in weapons stockpiles, a step they say will help reduce accidental detonation and ensure the weapons perform as expected. […]

  • Balancing nuclear and renewable energy
    on April 25, 2018 at 8:20 pm

    Researchers explore the benefits of adjusting the output of nuclear power plants according to the changing supply of renewable energy such as wind and solar power. […]

  • Nuclear radiation detecting device could lead to new homeland security tool
    on April 25, 2018 at 4:01 pm

    A research team has developed an exceptional next-generation material for nuclear radiation detection that could provide a significantly less expensive alternative to detectors now in commercial use. Specifically, the high-performance material is used in a device that can detect gamma rays, weak signals given off by nuclear materials, and can easily identify individual radioactive isotopes. Potential uses include more widespread detectors for nuclear weapons and materials as well as applications in biomedical imaging, astronomy and spectroscopy. […]

  • By 2040, artificial intelligence could upend nuclear stability
    on April 24, 2018 at 12:38 pm

    A new paper finds that artificial intelligence has the potential to upend the foundations of nuclear deterrence by the year 2040. While AI-controlled doomsday machines are considered unlikely, the hazards of artificial intelligence for nuclear security lie instead in its potential to encourage humans to take potentially apocalyptic risks, according to the paper. […]

  • For nuclear weapons reduction, a way to verify without revealing
    on April 19, 2018 at 5:09 pm

    Researchers have found a new way of verifying nuclear weapons reduction agreements without revealing secret information, using a physical cryptographic key and nuclear resonant phenomena. […]

  • En route to the optical nuclear clock
    on April 18, 2018 at 6:15 pm

    Researchers have performed the first-ever optical measurements of some important properties of the low-energy state of the Th-229 nucleus. In this way, a laser excitation of the atomic nucleus can be monitored, thus allowing an optical nuclear clock to be realized that 'ticks' more precisely than present-day atomic clocks. […]

  • When nuclei catch up with electrons
    on April 16, 2018 at 6:25 pm

    In an attosecond study of the H2 molecule physicists found that for light atomic nuclei -- as contained in most organic and biological molecules -- the correlation between electronic and nuclear motions cannot be ignored. […]

  • Unresolved puzzles in exotic nuclei
    on March 27, 2018 at 2:28 pm

    Scientists discuss the structure of unstable and unbound forms of Helium, Lithium, and Beryllium nuclei that have unusually large neutron to proton ratios -- dubbed 'exotic' light nuclei. Many unstable atomic nuclei live long enough to be able serve as targets for further nuclear reactions -- especially in hot environments like the interior of stars. […]

  • Pipe-crawling robot will help decommission DOE nuclear facility
    on March 20, 2018 at 12:43 pm

    A pair of autonomous robots will soon be driving through miles of pipes at the US Department of Energy's former uranium enrichment plant in Piketon, Ohio, to identify uranium deposits on pipe walls. […]

  • The Swiss army knife of smoke screens
    on March 18, 2018 at 6:48 pm

    The military uses smoke grenades to provide cover for people and tanks on the move. But the smoke arms race is on. Increasingly, sensors can now go beyond the visible range into the infrared (IR) region of the spectrum. So, researchers report developing a new kind of smoke that obscures both visible and IR detection. […]

  • Reconsidering damage production and radiation mixing in materials
    on March 15, 2018 at 3:06 pm

    An international team of researchers present new mathematical equations that with minimal increase in computational complexity allow for accurate and experimentally testable predictions. […]

  • Unclassified version of new report predicts small drone threats to infantry units
    on March 6, 2018 at 4:57 pm

    The emergence of inexpensive small unmanned aircraft systems (sUASs) that operate without a human pilot, commonly known as drones, has led to adversarial groups threatening deployed U.S. forces, especially infantry units. […]

  • Common bricks can be used to detect past presence of uranium, plutonium
    on March 1, 2018 at 8:12 pm

    Researchers have demonstrated a technique that can determine whether bricks -- the common building material -- have ever been near a radiological source, and identify the specific type of source, such as high enriched uranium or plutonium. […]

  • New evidence of nuclear fuel releases found at Fukushima
    on February 28, 2018 at 2:22 pm

    Uranium and other radioactive materials, such as caesium and technetium, have been found in tiny particles released from the damaged Fukushima Daiichi nuclear reactors. […]

  • Helping authorities respond more quickly to airborne radiological threats
    on February 7, 2018 at 7:04 pm

    A new technique uses existing technologies to detect potential airborne radiological materials in hours instead of days. […]

  • Nuclear power plants must be able to withstand fires caused by aircraft impacts
    on January 16, 2018 at 5:37 pm

    Researches examined the transport, evaporation and combustion of liquids in large-scale fire incidents. […]

  • Neutrons inspect salt-inclusion materials to improve long-term hazardous waste storage
    on January 10, 2018 at 9:32 pm

    A team of researchers is using neutrons to develop more durable and efficient materials called waste forms for safely storing hazardous substances. […]

  • New model considers an extra factor to improve our prediction of nuclear fission
    on December 27, 2017 at 7:59 pm

    Researchers have proposed an improved model for predicting the generation of thermal energy from nuclear fission processes, by focusing on Uranium-236. This model can help improve efficiency in nuclear power generation. […]

  • New instrument identifies unexploded artillery shells
    on December 12, 2017 at 3:57 pm

    Society faces threats through the malicious use of chemical, biological, radiological, nuclear and/or explosive (CBRNE) materials. The detection of illicit trafficking or other criminal acts, as well as many security and safety applications, call for novel material analysis techniques and instruments. These detection systems should be non-destructive but still be able to detect and identify the threat objects, even from inside a shielding or masking enclosure. Active interrogation methods that use penetrative particle beams can reveal the presence of CBRNE materials. […]

  • Physicists propose a new method for monitoring nuclear waste
    on December 6, 2017 at 5:25 pm

    New scientific findings suggest neutrino detectors may play an important role in ensuring better monitoring and safer storage of radioactive material in nuclear waste repository sites. […]

  • Uranium to replace plastic? Chemistry breakthrough could pave the way for new materials
    on December 1, 2017 at 5:29 pm

    Uranium can perform reactions that previously no one thought possible, which could transform the way industry makes bulk chemicals, polymers, and the precursors to new drugs and plastics, according to new findings. […]

  • 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. […]