//www.koonmotors.com/news/matter_energy/weapons_technology/ Read the latest developments in non-lethal weapons, weapons of mass destruction (WMD), nuclear weapons, chemical weaponry and more. en-us Wed, 06 Sep 2023 14:51:15 EDT Wed, 06 Sep 2023 14:51:15 EDT 60 //www.koonmotors.com/images/scidaily-logo-rss.png//www.koonmotors.com/news/matter_energy/weapons_technology/ For more science news, visit ScienceDaily. //www.koonmotors.com/releases/2023/05/230525141257.htm Nuclear clocks could allow scientists to probe the fundamental forces of the universe in the future. Researchers have made a crucial advance in this area as part of an international collaboration. Thu, 25 May 2023 14:12:57 EDT //www.koonmotors.com/releases/2023/05/230525141257.htm //www.koonmotors.com/releases/2023/02/230215143644.htm Researchers propose a new approach to making qubits, the basic units in quantum computing, and controlling them to read and write data. The method is based on measuring and controlling the spins of atomic nuclei, using beams of light from two lasers of slightly different colors. Wed, 15 Feb 2023 14:36:44 EST //www.koonmotors.com/releases/2023/02/230215143644.htm //www.koonmotors.com/releases/2022/11/221121105244.htm Small modular nuclear reactors, which offer greater flexibility and lower upfront cost than large nuclear reactors, have both some advantages and disadvantages when it comes to nuclear waste generation. Mon, 21 Nov 2022 10:52:44 EST //www.koonmotors.com/releases/2022/11/221121105244.htm //www.koonmotors.com/releases/2022/09/220901135845.htm A novel protein design could lead to a new generation of defensive biosensors and treatments against weapons of mass destruction. Thu, 01 Sep 2022 13:58:45 EDT //www.koonmotors.com/releases/2022/09/220901135845.htm //www.koonmotors.com/releases/2022/08/220815112822.htm By using photons and electron spin qubits to control nuclear spins in a two-dimensional material, researchers have opened a new frontier in quantum science and technology, enabling applications like atomic-scale nuclear magnetic resonance spectroscopy, and to read and write quantum information with nuclear spins in 2D materials. Mon, 15 Aug 2022 11:28:22 EDT //www.koonmotors.com/releases/2022/08/220815112822.htm //www.koonmotors.com/releases/2022/03/220324130235.htm A study suggests blow flies could be used to detect the use of chemical weapons -- as well as other dangerous substances -- in areas too dangerous or remote for human investigators. Thu, 24 Mar 2022 13:02:35 EDT //www.koonmotors.com/releases/2022/03/220324130235.htm //www.koonmotors.com/releases/2021/11/211108155633.htm 新的研究可能有助于提高效率of nuclear power plants in the near future. By using a combination of physics-based modeling and advanced simulations, they found the key underlying factors that cause radiation damage to nuclear reactors, which could then provide insight into designing more radiation-tolerant, high-performance materials. Mon, 08 Nov 2021 15:56:33 EST //www.koonmotors.com/releases/2021/11/211108155633.htm //www.koonmotors.com/releases/2021/10/211019110518.htm Researchers fabricate gold nanoparticles with a rapidly decaying radioisotope that can be internalized by cancer cells. Because the radiation remains strongly localized, high doses can be administered without concern for side effects. This research may lead to safer and more effective treatments for many types of cancer. Tue, 19 Oct 2021 11:05:18 EDT //www.koonmotors.com/releases/2021/10/211019110518.htm //www.koonmotors.com/releases/2021/10/211013174023.htm The massive columns of smoke generated by a nuclear war would alter the world's climate for years and devastate the ozone layer, endangering both human health and food supplies, new research shows. The international study draws on newly developed computer climate modeling techniques to paint an even grimmer picture of a global nuclear war's aftermath than previous analyses. Wed, 13 Oct 2021 17:40:23 EDT //www.koonmotors.com/releases/2021/10/211013174023.htm //www.koonmotors.com/releases/2021/10/211012154755.htm Experiments have spotted anomalies hinting at a new type of neutrino, one that would go beyond the standard model of particle physics and perhaps open a portal to the dark sector. But no one has ever directly observed this hypothetical particle. Tue, 12 Oct 2021 15:47:55 EDT //www.koonmotors.com/releases/2021/10/211012154755.htm //www.koonmotors.com/releases/2021/09/210929101848.htm Scientists have shown that the powerful transient absorption spectroscopy technique can unravel ultrafast motion of electrons and nuclei in a molecule in real time and with atomic spatial resolution. Wed, 29 Sep 2021 10:18:48 EDT //www.koonmotors.com/releases/2021/09/210929101848.htm //www.koonmotors.com/releases/2021/09/210922121913.htm The renewable proportion of petrol is set to increase to 20 per cent over the coming years, meaning the discovery of a new production pathway for these additives could help in the fight to cut carbon dioxide emissions and tackle climate change. Engineers propose a process to generate one such additive, solketal, using waste from both biochemical and nuclear industries -- termed a nuclear biorefinery. Wed, 22 Sep 2021 12:19:13 EDT //www.koonmotors.com/releases/2021/09/210922121913.htm //www.koonmotors.com/releases/2021/09/210922121831.htm Nuclear thermal propulsion, which uses heat from nuclear reactions as fuel, could be used one day in human spaceflight, possibly even for missions to Mars. Its development, however, poses a challenge. The materials used must be able to withstand high heat and bombardment of high-energy particles on a regular basis. A nuclear engineering doctoral student is contributing to research that could make these advancements more feasible. Wed, 22 Sep 2021 12:18:31 EDT //www.koonmotors.com/releases/2021/09/210922121831.htm //www.koonmotors.com/releases/2021/07/210714110522.htm Scientists have developed a hydrogel integrated with zirconium-based robust metal-organic frameworks (MOFs) that rapidly degrades organophosphate-based nerve agents used in chemical warfare. Unlike existing powdered MOF adsorbents, this hydrogel composite does not require added water and may be easily scaled up for use in protective masks or clothing. Wed, 14 Jul 2021 11:05:22 EDT //www.koonmotors.com/releases/2021/07/210714110522.htm //www.koonmotors.com/releases/2021/07/210712183319.htm The long-theorized neutron-clustering effect in nuclear reactors has been demonstrated, which could improve reactor safety and create more accurate simulations, according to a new study. Mon, 12 Jul 2021 18:33:19 EDT //www.koonmotors.com/releases/2021/07/210712183319.htm //www.koonmotors.com/releases/2021/07/210707112356.htm New research shows radioactive molecules are sensitive to subtle nuclear phenomena. The molecules might help physicists probe violation of the most fundamental symmetries of nature, including why the universe contains relatively little antimatter. Wed, 07 Jul 2021 11:23:56 EDT //www.koonmotors.com/releases/2021/07/210707112356.htm //www.koonmotors.com/releases/2021/05/210521081957.htm More than 100 kg of highly toxic uranium (U) and plutonium (Pu) was dispersed in the form of tiny 'hot' radioactive particles after the British detonated nine atomic bombs in remote areas of South Australia, including Maralinga. Fri, 21 May 2021 08:19:57 EDT //www.koonmotors.com/releases/2021/05/210521081957.htm //www.koonmotors.com/releases/2021/05/210519163628.htm Scanning technology aimed at detecting small amounts of nuclear materials was unveiled by scientists in Sweden today, with the hope of preventing acts of nuclear terrorism. Wed, 19 May 2021 16:36:28 EDT //www.koonmotors.com/releases/2021/05/210519163628.htm //www.koonmotors.com/releases/2021/03/210324094720.htm 科学家们演示了如何图像样本of heavy elements as small as a single nanogram. The new approach will help scientists advance new technologies for medical imaging and cancer therapies. Wed, 24 Mar 2021 09:47:20 EDT //www.koonmotors.com/releases/2021/03/210324094720.htm //www.koonmotors.com/releases/2021/03/210304161114.htm Researchers have recently shown superior performance of a new oxide dispersion strengthened (ODS) alloy they developed for use in both fission and fusion reactors. Thu, 04 Mar 2021 16:11:14 EST //www.koonmotors.com/releases/2021/03/210304161114.htm //www.koonmotors.com/releases/2021/02/210218094518.htm Inhalation of depleted uranium from exploding munitions did not lead to Gulf War illness (GWI) in veterans deployed in the 1991 Persian Gulf War, a new study suggests. The findings help eliminate a long-suspected cause of GWI that has attracted international concern for three decades. Thu, 18 Feb 2021 09:45:18 EST //www.koonmotors.com/releases/2021/02/210218094518.htm //www.koonmotors.com/releases/2021/02/210206125326.htm Since element 99 -- einsteinium -- was discovered in 1952 from the debris of the first hydrogen bomb, scientists have performed very few experiments with it because it is so hard to create and is exceptionally radioactive. A team of chemists has overcome these obstacles to report the first study characterizing some of its properties, opening the door to a better understanding of the remaining transuranic elements of the actinide series. Sat, 06 Feb 2021 12:53:26 EST //www.koonmotors.com/releases/2021/02/210206125326.htm //www.koonmotors.com/releases/2021/02/210201144942.htm Researchers build on previous studies into detection technologies and reconstruction algorithms for muon tomography, to develop a full-scale muon tomograph prototype. Mon, 01 Feb 2021 14:49:42 EST //www.koonmotors.com/releases/2021/02/210201144942.htm //www.koonmotors.com/releases/2021/01/210125144619.htm Design of aerial vehicles and weapon systems relies on the ability to predict aerodynamic behavior, often aided by advanced computer simulations of the flow of air over the body. High-fidelity simulations assist engineers in maximizing how much load a rotorcraft can lift or how far a missile can fly, but these simulations aren't cheap. A new turbulence model could change that. Mon, 25 Jan 2021 14:46:19 EST //www.koonmotors.com/releases/2021/01/210125144619.htm //www.koonmotors.com/releases/2021/01/210121131738.htm Scientists have found evidence of alpha particles at the surface of neutron-rich heavy nuclei, providing new insights into the structure of neutron stars, as well as the process of alpha decay. Thu, 21 Jan 2021 13:17:38 EST //www.koonmotors.com/releases/2021/01/210121131738.htm //www.koonmotors.com/releases/2021/01/210115110335.htm Scientists are able to selectively knockout nucleons and preformed nuclear clusters from atomic nuclei using high-energy proton beams. In an experiment the existence of preformed helium nuclei at the surface of several tin isotopes could be identified in a reaction. The results confirm a theory, which predicts the formation of helium clusters in low-density nuclear matter and at the surface of heavy nuclei. Fri, 15 Jan 2021 11:03:35 EST //www.koonmotors.com/releases/2021/01/210115110335.htm //www.koonmotors.com/releases/2020/12/201209115141.htm Scientists have developed a game-changing perovskite material that can be used as a cheaper and highly efficient alternative to gamma-ray detectors. Wed, 09 Dec 2020 11:51:41 EST //www.koonmotors.com/releases/2020/12/201209115141.htm //www.koonmotors.com/releases/2020/12/201207112257.htm This method allows users to identify legal versus illegal gamma rays. Detectors like these are critical for national security, where they're used to detect illegal nuclear materials smuggled across borders and aid in nuclear forensics, as well as in medical diagnostics imaging. Mon, 07 Dec 2020 11:22:57 EST //www.koonmotors.com/releases/2020/12/201207112257.htm //www.koonmotors.com/releases/2020/11/201124150834.htm Developing safe and sustainable fuels for nuclear energy is an integral part of an energy security mission. Tue, 24 Nov 2020 15:08:34 EST //www.koonmotors.com/releases/2020/11/201124150834.htm //www.koonmotors.com/releases/2020/11/201109152233.htm After a nuclear war, wild-catch marine fisheries will not offset the loss of food grown on land, especially if widespread overfishing continues, according to a new study. But effective pre-war fisheries management would greatly boost the oceans' potential contribution of protein and nutrients during a global food emergency, according to the study. The study for the first time explored the effects of nuclear war on wild-catch marine fisheries. Mon, 09 Nov 2020 15:22:33 EST //www.koonmotors.com/releases/2020/11/201109152233.htm //www.koonmotors.com/releases/2020/10/201006132118.htm Measurements in thorium-229 take a step towards the direct laser excitation of an atomic nucleus in this unique isotope. Tue, 06 Oct 2020 13:21:18 EDT //www.koonmotors.com/releases/2020/10/201006132118.htm //www.koonmotors.com/releases/2020/10/201005112141.htm If countries want to lower emissions as substantially, rapidly and cost-effectively as possible, they should prioritize support for renewables, rather than nuclear power, the findings of a major new energy study concludes. Mon, 05 Oct 2020 11:21:41 EDT //www.koonmotors.com/releases/2020/10/201005112141.htm //www.koonmotors.com/releases/2020/09/200929123431.htm Researchers previously developed a filter membrane made out of whey proteins and activated carbon. In a new study, they now demonstrate just how efficient this membrane is at filtering radioactive elements from contaminated water. Tue, 29 Sep 2020 12:34:31 EDT //www.koonmotors.com/releases/2020/09/200929123431.htm //www.koonmotors.com/releases/2020/08/200824120048.htm Model systems based on virus capsids have shown how large biomolecules are able to penetrate a cell nucleus. The larger the molecule, the more nuclear localization signals are needed. Mon, 24 Aug 2020 12:00:48 EDT //www.koonmotors.com/releases/2020/08/200824120048.htm //www.koonmotors.com/releases/2020/08/200810141000.htm An international team has made a key discovery related to 'presolar grains' found in some meteorites. This discovery has shed light on stellar explosions and the origin of chemical elements. It has also provided a new method for astronomical research. Mon, 10 Aug 2020 14:10:00 EDT //www.koonmotors.com/releases/2020/08/200810141000.htm //www.koonmotors.com/releases/2020/08/200805091845.htm Thanks to new research, we now know with much greater certainty the nuclear magnetic moments of francium atoms. Wed, 05 Aug 2020 09:18:45 EDT //www.koonmotors.com/releases/2020/08/200805091845.htm //www.koonmotors.com/releases/2020/07/200714101238.htm Small amounts of plutonium (Pu) were released from the damaged Fukushima Daiichi Nuclear Power Plant (FDNPP) reactors into the environment during the site's 2011 nuclear disaster. However, the physical, chemical, and isotopic form of the released Pu has remained unknown. Now, recent work has shown that Pu was included inside cesium-rich microparticles (CsMPs) that were emitted from the site. Tue, 14 Jul 2020 10:12:38 EDT //www.koonmotors.com/releases/2020/07/200714101238.htm //www.koonmotors.com/releases/2020/06/200612111434.htm A mysterious cloud containing radioactive ruthenium-106, which moved across Europe in 2017, is still bothering Europe's radiation protection entities. German researchers now found out that the cloud did not originate from military sources but rather from civilian nuclear activities. Fri, 12 Jun 2020 11:14:34 EDT //www.koonmotors.com/releases/2020/06/200612111434.htm //www.koonmotors.com/releases/2020/05/200513111415.htm Historic records from weather stations show that rainfall patterns in Scotland were affected by charge in the atmosphere released by radiation from nuclear bomb tests carried out in the 1950s and '60s. Wed, 13 May 2020 11:14:15 EDT //www.koonmotors.com/releases/2020/05/200513111415.htm //www.koonmotors.com/releases/2020/05/200504155154.htm 只使用一个小fracti典型的核反应堆on of its fuel rod to produce power before the energy-generating reaction naturally terminates. What is left behind is an assortment of radioactive elements, including unused fuel, that are disposed of as nuclear waste in the United States. Although certain elements recycled from waste can be used for powering newer generations of nuclear reactors, extracting leftover fuel in a way that prevents possible misuse is an ongoing challenge. Mon, 04 May 2020 15:51:54 EDT //www.koonmotors.com/releases/2020/05/200504155154.htm //www.koonmotors.com/releases/2020/04/200430150230.htm A new algorithm could enable faster, less expensive detection of weapons-grade nuclear materials at borders, quickly differentiating between benign and illicit radiation signatures in the same cargo. Thu, 30 Apr 2020 15:02:30 EDT //www.koonmotors.com/releases/2020/04/200430150230.htm //www.koonmotors.com/releases/2020/04/200406092845.htm Atomic bomb tests conducted during the Cold War have helped scientists for the first time correctly determine the age of whale sharks. Mon, 06 Apr 2020 09:28:45 EDT //www.koonmotors.com/releases/2020/04/200406092845.htm //www.koonmotors.com/releases/2020/03/200326124105.htm Researchers have developed a technique for determining the historical location and distribution of radioactive materials, such as weapons grade plutonium. The technique may allow them to use common building materials, such as bricks, as a three-dimensional 'camera,' relying on residual gamma radiation signatures to take a snapshot of radioactive materials even after they've been removed from a location. Thu, 26 Mar 2020 12:41:05 EDT //www.koonmotors.com/releases/2020/03/200326124105.htm //www.koonmotors.com/releases/2020/03/200309130022.htm Depending on whether uranium is released by the civil nuclear industry or as fallout from nuclear weapon tests, the ratio of the two anthropogenic, i.e. human-made, uranium isotopes 233U and 236U varies. These results provide a promising new ''fingerprint'' for the identification of radioactive emission sources. As a consequence, it is also an excellent environmental tracer for ocean currents. Mon, 09 Mar 2020 13:00:22 EDT //www.koonmotors.com/releases/2020/03/200309130022.htm //www.koonmotors.com/releases/2020/03/200306122606.htm A forthcoming N = 126 Factory will investigate one of the great questions in physics and chemistry: how were the heavy elements from iron to uranium created? Fri, 06 Mar 2020 12:26:06 EST //www.koonmotors.com/releases/2020/03/200306122606.htm //www.koonmotors.com/releases/2020/01/200129174532.htm Most nuclear data measurements are performed at accelerators large enough to occupy a geologic formation a kilometer wide. But a portable device that can reveal the composition of materials quickly on-site would greatly benefit cases such as in archaeology and nuclear arms treaty verification. New research used computational simulations to show that with the right geometric adjustments, it is possible to perform neutron resonance transmission analysis in a device just 5 meters long. Wed, 29 Jan 2020 17:45:32 EST //www.koonmotors.com/releases/2020/01/200129174532.htm //www.koonmotors.com/releases/2020/01/200129104739.htm The reprocessing of spent nuclear fuel could become safer and more efficient in future after researchers found a way to modify the structure of molecules to remove radioactive materials. Wed, 29 Jan 2020 10:47:39 EST //www.koonmotors.com/releases/2020/01/200129104739.htm //www.koonmotors.com/releases/2020/01/200127134821.htm The materials the United States and other countries plan to use to store high level nuclear waste will likely degrade faster than anyone previously knew, because of the way those materials interact, new research shows. The findings show that corrosion of nuclear waste storage materials accelerates because of changes in the chemistry the nuclear waste solution, and because of the way the materials interact with one another. Mon, 27 Jan 2020 13:48:21 EST //www.koonmotors.com/releases/2020/01/200127134821.htm //www.koonmotors.com/releases/2020/01/200122150030.htm Fifty years ago, scientists hit upon what they thought could be the next rocket fuel. Carboranes -- molecules composed of boron, carbon and hydrogen atoms clustered together in three-dimensional shapes -- were seen as the possible basis for next-generation propellants due to their ability to release massive amounts of energy when burned. Wed, 22 Jan 2020 15:00:30 EST //www.koonmotors.com/releases/2020/01/200122150030.htm //www.koonmotors.com/releases/2020/01/200122134927.htm It has been 30 years since the end of the Cold War, yet on average, Americans still perceive that the odds of a nuclear weapon detonating on U.S. soil is as likely as a coin toss, according to new research. Wed, 22 Jan 2020 13:49:27 EST //www.koonmotors.com/releases/2020/01/200122134927.htm //www.koonmotors.com/releases/2020/01/200115130438.htm Researchers have developed a new material that opens doors for a new class of neutron detectors. The semiconductor-based detector is highly efficient, stable, and can be used both in small, portable devices for field inspections and very large detectors that use arrays of crystals. Wed, 15 Jan 2020 13:04:38 EST //www.koonmotors.com/releases/2020/01/200115130438.htm //www.koonmotors.com/releases/2020/01/200110101025.htm Chemists have found a new use for the waste product of nuclear power -- transforming an unused stockpile into a versatile compound which could be used to create valuable commodity chemicals as well as new energy sources. Fri, 10 Jan 2020 10:10:25 EST //www.koonmotors.com/releases/2020/01/200110101025.htm //www.koonmotors.com/releases/2020/01/200107104922.htm Researchers have studied a new approach for laser nuclear fusion utilizing relativistic phenomena of intense laser light. By irradiating the ultra-intense laser light directly onto the fusion fuel, the researchers examined signs of heating of fusion fuel. This work may lead to widespread, clean fusion power. Tue, 07 Jan 2020 10:49:22 EST //www.koonmotors.com/releases/2020/01/200107104922.htm //www.koonmotors.com/releases/2019/12/191212141919.htm Studying radiation chemistry and electronic structure of materials at scales smaller than nanometers, scientists prepared samples of clay in ultra-thin layers. Working at the TRIUMF particle accelerator, they bombarded the samples with antimatter subatomic particles. They found their system is a proven tool for radiation studies of material to be used to store nuclear waste -- important for Canadian nuclear industry looking to build its first geological repository. Thu, 12 Dec 2019 14:19:19 EST //www.koonmotors.com/releases/2019/12/191212141919.htm //www.koonmotors.com/releases/2019/11/191114100912.htm A team of scientists have used satellite data to augment measurements of North Korean nuclear tests on the ground. The researchers find that the most recent test shifted the ground by a few meters, and estimate it to be equivalent to 17 times the size of the bomb dropped on Hiroshima in 1945. Thu, 14 Nov 2019 10:09:12 EST //www.koonmotors.com/releases/2019/11/191114100912.htm //www.koonmotors.com/releases/2019/10/191030120306.htm According to some experts, nuclear power holds great promise for meeting the world's growing energy demands without generating greenhouse gases. But scientists need to find a way to remove radioactive isotopes, both from wastewater generated by nuclear power plants and from the environment in case of a spill. Now, researchers have developed tiny, self-propelled robots that remove radioactive uranium from simulated wastewater. Wed, 30 Oct 2019 12:03:06 EDT //www.koonmotors.com/releases/2019/10/191030120306.htm //www.koonmotors.com/releases/2019/10/191021082757.htm Physicists predicted the Hubble Space Telescope would see a rising vapor plume as the Shoemaker-Levy 9 comet crashed into the far side of Jupiter in 1994. And sure enough, the plume produced by the impact matched their computational analysis. Mon, 21 Oct 2019 08:27:57 EDT //www.koonmotors.com/releases/2019/10/191021082757.htm //www.koonmotors.com/releases/2019/10/191018112143.htm Scientists have found a new compound of plutonium with an unexpected, pentavalent oxidation state. This new phase of plutonium is solid and stable, and may be a transient phase in radioactive waste repositories. Fri, 18 Oct 2019 11:21:43 EDT //www.koonmotors.com/releases/2019/10/191018112143.htm //www.koonmotors.com/releases/2019/10/191016111125.htm New method allows scientists to create a quantitative map of radioactive cesium-rich microparticle distribution in soils collected around the damaged Fukushima Daiichi Nuclear Power Plant Nuclear Power Plant (FDNPP). This could help inform clean-up efforts in Fuksuhima region. Wed, 16 Oct 2019 11:11:25 EDT //www.koonmotors.com/releases/2019/10/191016111125.htm //www.koonmotors.com/releases/2019/10/191011131901.htm For the first time, scientists have printed 3D parts that pave the way to recycling up to 97 percent of the waste produced by nuclear reactors. Fri, 11 Oct 2019 13:19:01 EDT //www.koonmotors.com/releases/2019/10/191011131901.htm