Articles tagged with Explosive Materials
Researchers have discovered two thresholds for the behavior of charged water droplets on frictionless surfaces, enabling finer control over electrospray processes and opening up opportunities for nanofabrication. The study's findings may also lead to greener scientific techniques.
The new facility enables scientists to observe and measure detonation forces in unprecedented detail, shedding light on industrial safety risks and potential breakthroughs. Researchers aim to develop safer designs and protocols by examining detonation disasters like the Buncefield Fire.
Researchers found 9 hospitals within lethal range of bomb craters and 30 within injury range, highlighting concern for indiscriminate bombing in Gaza Strip
Boris Yakobson aims to transform the future of advanced materials through Rice University research. His projects focus on developing predictive synthesis models and automating the search for new materials, with applications in energy and electronics.
Researchers conducted pump-probe experiments to clarify the reaction mechanism and dynamic process of high explosives. The studies employed advanced techniques like dynamic flyer imaging, X-ray diffraction, and ultrafast dynamics, enabling the investigation of internal deformation, phase transition, and ultrafast dynamics.
Researchers at the University of Missouri have developed a new type of nanoclay material that can be customized to perform specific tasks. This breakthrough could lead to advances in fields such as medical science, environmental science, and more.
A new study from Rutgers University found that 7.2% of hospitalized service members had wounds to their genitals and urinary system, with IEDs responsible for nearly two-thirds of these injuries. Researchers hope to improve protection and treatment for such injuries.
Researchers have synthesized K2N6, an exotic compound containing nitrogen groups and packing explosive amounts of energy. The new material has a hexagonal structure with intermediate single and double bonds between nitrogen atoms.
The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.
Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.
The Hubble Space Telescope has observed multiple supernovae in the spiral galaxy NGC 4051, revealing Type Ic supernovae produced by massive star core collapse. These events are scattered throughout the center and spiral arms of the galaxy.
Scientists have developed a novel explosive material with improved performance, replacing toxic TNT. The new molecule, bis-oxadiazole, boasts increased energy and has been shown to be melt-castable.
Researchers at Los Alamos National Laboratory used computer modeling and novel molecule design techniques to study the detonation process of explosives. By replacing parts of a common explosive molecule, they were able to change its sensitivity properties.
Researchers have designed molecular perovskite-based energetic materials with improved explosive performances, including high detonation heat, velocity, and pressure. The new materials also exhibit increased thermal stability and low impact sensitivity, making them suitable for military devices and civil industry.
US Army Research Laboratory scientists improved chemical yield of diaminoglyoxime (DAG) synthesis by 80%, increasing material production per reaction. The new method reduces heat release, minimizing explosion and combustion hazards.
Rhyolitic magmas exhibit varying viscosities, influencing eruption styles. The Munich researchers found minor chemical constituent variations impact viscosity and destructiveness.
Researchers at the University of Helsinki designed an instrument that can detect and identify explosive materials in unexploded artillery shells using prompt gamma neutron activation analysis. The instrument achieves a precision better than 1% within 30 minutes, allowing for non-destructive detection.
A new approach to training explosive-detecting dogs uses real-time vapor analysis to accurately measure the vapor plumes from explosives that trigger a canine response. This method helps differentiate between correct and incorrect identifications, reducing cross-contamination errors.
Researchers propose a graphene-based spaser that can detect small amounts of explosives and toxic chemicals using surface plasmons. The device's construction involves a graphene layer, enabling subwavelength light focusing and increasing sensitivity beyond conventional optical devices.
Researchers at MIT have developed a new battery system that harnesses heat and uses no toxic materials, with efficiency improvements of over 1,000 times. The technology, based on carbon nanotubes, shows promise for powering small devices and has potential applications in fields such as energy storage and aerospace.
Scientists have created a material that turns fluorescent when detecting explosives in its vicinity. This discovery could lead to improved e.g., airport security measures. The new material consists of molecules held together by weak bonds, which are easily influenced by their surroundings and can be used to detect explosives.
Researchers used X-ray phase contrast imaging to study the formation and evolution of jets in cerium metal after shock waves were generated by impact systems. The study found that the yield stress of cerium could be estimated using jet heights and velocity histories, providing insight into material strength.
A new material with extremely long polymer chains has been developed to reduce fuel misting and consequential explosiveness. The polymers can break apart when sheared during flow but reassemble into super-long chains needed to prevent misting, resulting in significant reductions in misting and explosiveness.
Researchers at Indiana University-Purdue University Indianapolis found that bomb-sniffing dogs trained on pseudo-explosives could not reliably detect real explosives and vice versa. The study suggests that the exceptional sensitivity of a dog's nose and its temperament cannot be replicated with pseudo-explosive training.
Researchers have created a new material that can detect explosives and toxic gases in seconds, offering four advantages over current detectors: sensitivity, accuracy, speed, and cost-effectiveness. The breakthrough could lead to flexible solar panels and improved public safety.
Shiv Halasyamani, a professor at the University of Houston, has been recognized with the 2014 Roy-Somiya Award for his outstanding work in solvothermal research. His research focuses on hydrothermal and solvothermal synthesis of new functional inorganic materials.
A new electronic chip with nano-sized chemical sensors can detect miniscule concentrations of hazardous materials in the air, surpassing even the most advanced detection dogs. The breakthrough technology has been tested on various explosives and shows great promise for providing a safer world.
Researchers have developed a low-cost material coating technique that mimics the Lotus effect, providing superhydrophobic properties. The technology can minimize fouling in heat exchangers and improve corrosion resistance.
Scientists at NIST have developed novel odor-releasing materials to train bomb-sniffing dogs, reducing the need for hazardous samples and ensuring uniformity in training. The system can precisely control the release rate of scents over extended periods, making it ideal for large-scale training.
Researchers have found a way to enhance the detection of explosives on surfaces, allowing for more accurate and effective airport security screenings. By adding functional groups to swab materials, they can collect smaller amounts of explosive residue, making it easier to detect even tiny traces.
Researchers create a new explosive with a blast wave traveling 225 miles per hour faster than the current standard, HMX. The new explosive combines CL-20 and HMX, producing a more powerful but stable material with potential to replace HMX as military-grade explosives
The Semi-Autonomous Pipe Bomb End-cap Remover (SAPBER) is a low-cost device that can disassemble pipe bombs while preserving forensic evidence. It has been tested in operational scenarios and shown to be effective and easy to use, marking a new era in capability for dealing with pipe bombs.
A chemical sensing system developed by UConn researchers can detect ultra-trace levels of explosive vapors and buried explosives using a fluorescent nanofiberous film. The system has excellent sensitivity against common interferences and can detect elements at levels as low as 10 parts per billion (TNT).
The National Institute of Standards and Technology (NIST) has released a new standard reference material (SRM) to aid in detecting two explosive compounds used by terrorists. The SRM contains meticulously measured concentrations of PETN and TATP, allowing researchers to test and validate their detector designs.
A new spray-on material can detect and neutralize terrorist explosives, including peroxide-based substances like TATP. The ink-like material changes color and becomes a non-conducting material when exposed to explosives.
A new, all-optical system using terahertz wave technology can identify unique 'fingerprints' of hidden materials, enabling detection of explosives, chemical and biological agents, and illegal drugs from a distance. The technique uses laser-induced fluorescence to convey information about target materials.
Researchers analyzed potential peroxide-based explosives using computer simulations and found that a supposed new, more lethal relative to TATP is unlikely to exist due to instability. They consider previous reports of its creation to be Internet myths with no basis in reality.
Researcher Mark Gordon is exploring ionic liquids as a potential rocket fuel due to their non-toxic and high-energy properties. He aims to develop an ionic liquid that can ignite by chemical reaction, making rocket engines easier to control.
LLNL scientists have successfully added unique green solvents to an explosive called TATB, improving crystal quality and chemical purity. This breakthrough aims to create safer explosives with reduced violent reactions.
A team of scientists developed a new type of explosive material using porous copper structures, which can be mass-produced like computer chips. This technology enables the creation of highly reliable and small detonators with built-in safe and arm capabilities.
Researchers from Lawrence Livermore National Laboratory and MIT have created a quantum molecular dynamics simulation of a shocked explosive, revealing its chemical decomposition and transformation into a semi-metallic state. The study provides new insights into the microscopic properties of explosives during detonation.
Researchers developed a new technique to study energetic materials, such as explosives, at the nanoscale. They mapped temperature and length-scale factors that influence their behavior, providing insights into melting, evaporation, and decomposition.
Researchers at NJIT have developed a Terahertz imaging system that can detect and image concealed weapons and explosives, as well as remote detection of chemical and biological agents. The system's capabilities are being explored for potential use in defense against terrorist activities.
Researchers at Purdue University have developed a method to detect trace quantities of hazardous materials, including explosives, on surfaces such as luggage and skin. The portable device can analyze samples within seconds, making it potentially useful for security screening in public places.
Nuclear quadrupole resonance (NQR) uses low frequency radio waves to detect explosives and narcotics. The technique is effective for land mine detection, as it targets the explosives within the mine.
Researchers have developed a new technique that can detect explosive residues 10 times lower than existing methods, making it easier for authorities to identify the source of suspicious explosions. The technique may also help track the origin of explosives and manufacturer companies.
A new laser-based explosive detector can detect minuscule explosives emissions from landmines, offering an alternative to sniffer dogs. The detector uses an ultra-smooth cube of silica crystal with a single curved face and measures the 'ring-down time' of a laser pulse as it passes through the crystal.
Researchers have developed a system that detects trace amounts of TNT in seafloor sludge, enabling the identification of unexploded bombs. This technology could save time and resources in cleaning up sites contaminated with live explosives.
ORNL's microcantilever technology can detect chemicals used to tag explosives and drugs, enhancing law enforcement capabilities. The portable unit can sniff out explosives or tagged materials, providing critical information in counter-terrorism efforts.