Scientists analyzed artefacts of Late Bronze Age, found in Ural-Kazakhstan region. Alloys of iron in most findings were natural ones. The only place in the region where miners had mined iron ore in II millennium BC is settlement Kent in the Central Kazakhstan.
Russian scientists studied artefacts from cultural layer of the Vorovskaya Yama mine, situated in the Chelyabinsk region, and found out that there, apart from ore production, people made metalworking. About 1500 years BCE masters melted out products from copper and tin bronze.
Polymers experience changing conditions during manufacturing, which can affect their final properties and performance. The way they react to manufacturing forces can be extremely complex and hard to measure. Researchers combined theory and modeling to characterize melted polymers under steady flow and revealed universal features that can inform the design of advanced materials for manufacturing.
Researchers have developed a new method for 3D printing metal that could help reduce costs and make more efficient use of resources.
An international team of researchers including a team from the Center for the Advancement of Topological Semimetals (CATS), an Energy Frontier Research Center under the U.S. Department of Energy’s Office of Science led by Ames National Laboratory, experimentally demonstrated a new type of nonlinear Hall effect.
Russian scientists analyzed the process of accumulation of heavy metals in sediments of lakes of polar and subpolar regions of the world. Researchers found out that lead and antimony are well accumulated even in lakes situated far from direct sources of pollution.
The Secretary and other U.S. Department of Energy officials spent an afternoon touring SLAC’s energy labs, the superconducting-accelerator-powered Linac Coherent Light Source, and the Legacy Survey of Space and Time Camera. At a celebratory gathering, they commended staff for their vision and dedication in bringing LCLS-II “first light” to fruition.
Polyoxometalate (POM)-based nanohybrids potentially offer a step-change in sustainability across a wide variety of industries, but research into the substances is in its infancy. A group of researchers has produced a comprehensive review of the sector’s progress and challenges yet to be overcome.
For effective molecular sensing, imaging, and signaling, materials must meet strict crystalline quality requirements. Researchers found an improved way to make high-quality ribbon-shaped nanocrystals that resonate strongly with infrared light. They tested these nanoribbons using a unique, ultrabroadband infrared probe and found the highest quality reported for such materials to date. This quality makes the crystals excellent prospects for use in high-performance infrared devices.
Researchers at the Department of Energy’s Oak Ridge National Laboratory have improved flaw detection to increase confidence in metal parts that are 3D-printed using laser powder bed fusion.
Researchers develop a compound that can store hydrogen energy at room-temperature for an extended period of time
KIMM-KAIST joint research team develops graphene-enabled e-textiles by ultrashort pulse laser processing. The new technology is expected to be used for mass production of next-generation, customized e-textiles for healthcare, industrial and military use.
Water and UV radiation rapidly and efficiently degrade crosslinked polymers of diaper liners without needing any chemicals – recycled plastic molecules can be used in various ways
Scientists refined the method of diffusion saturation of steel and combined it with polishing in electrolyte plasma. Under the influence of current in solutions, that contained nitrogen, boron and carbon, on the surface of samples there was a formation of modified structure.
Scientists have suggested the technology that increases hardness and wear properties of titanium products. With the help of plasma electrolysis authors of the work have formed on the surface of the material rough oxide coating, and under it – solid solution of nitrogen and carbon.
The Quantum System Accelerator (QSA) researchers at Berkeley Lab conducted a series of experiments with a new type of layered 2D metal (TMD), finding connections in electronic behavior such as itinerant magnetism and superconductivity, which might potentially help fabricate complex superconducting quantum processors.
A revised method to create hydrophobic surfaces has implications for any technology where water meets a solid surface, from optics and microfluidics to cooking
Scientists at the Department of Energy’s Oak Ridge National Laboratory used carefully planned chemical design, neutron scattering and high-performance computing to help develop a new catalytic recycling process. The catalyst selectively and sequentially deconstructs multiple polymers in mixed plastics into pristine monomers. The new organocatalyst has proven to efficiently and quickly deconstruct multiple polymers — in around two hours. Such polymers include those used in materials such as safety goggles (polycarbonates), foams (polyurethanes), water bottles (polyethylene terephthalates) and ropes or fishing nets (polyamides), which together comprise more than 30% of global plastic production. Until now, no single catalyst has been shown to be effective on all four of these polymers.
Researchers have developed soft yet durable 3D-printed materials that glow in response to mechanical stress, such as compression, stretching or twisting. The materials derive their luminescence from single-celled algae known as dinoflagellates, which are embedded within the materials. The work was inspired by the bioluminescent waves caused by dinoflagellates during red tide events at San Diego’s beaches.
The 'wonder material' graphene is well-known for its high electrical conductivity, mechanical strength, and flexibility.
WARRENDALE, PA—Reshef Tenne of the Weizmann Institute of Science has been selected to receive the 2023 Von Hippel Award, the highest honor given by the Materials Research Society (MRS).
UC San Diego engineers have developed a recipe to make a certain class of ceramics tougher and more resistant to cracking. The newfound toughness of these ceramics paves the way for their use in extreme applications, such as spacecraft and other hypersonic vehicles.
Researchers at the FAMU-FSU College of Engineering are helping advance wearable health monitoring technology by developing soft and stretchable electronic components that improve measurement accuracy, hold a charge longer and offer more comfort for users.
Researchers from Iowa State University and the University of California, Santa Barbara will work together to fundamentally change the capabilities of light-based 3D printing.
Australian researchers have developed a wearable device that can generate power from a user's bending finger and store memories
Thin-film lithium niobate (TFLN) is considered as a promising platform for photonics integrated circuits due to its tight mode confinement, high nonlinear efficiency and wide transparency window. Chinese scientists have recently reported an ultra-wideband waveguide-coupled photodiode on the TFLN platform.
New technique could be used in medical diagnostics and advanced manufacturing.
Nanozymes are synthetic materials that mimic the properties of natural enzymes for applications in biomedicine and chemical engineering. They are generally considered too toxic and expensive for use in agriculture and food science.
Argonne National Laboratory to receive $9 million in funding from the Department of Energy for addressing challenges with scaling up quantum networks to national scales.
Researchers at Michigan State University and Purdue University were awarded $2 million by the National Science Foundation to develop new “living materials” for construction that can repair themselves and sequester carbon dioxide.
Latest research from Flinders University and UNSW Sydney, published in the American Chemical Society ACS Nano journal, explores switchable polarization in a new class of silicon compatible metal oxides and paves the way for the development of advanced devices including high-density data storage, ultra low energy electronics, flexible energy harvesting and wearable devices.
Using neutrons to see the additive manufacturing process at the atomic level, scientists have shown that they can measure strain in a material as it evolves and track how atoms move in response to stress.
Researchers using NASA’s James Webb Space Telescope have detected evidence for quartz nanocrystals in the high-altitude clouds of WASP-17 b, a hot Jupiter exoplanet 1,300 light-years from Earth.
Photonic crystal structures have excellent light control properties and are hot topics in the field of photonics. For the preparation of photonic crystal structures with nanoscale three-dimensional spatial resolution inside the crystal, new femtosecond laser processing technologies are urgently needed.
The organization, which consists of state-wide partnerships between institutions of higher education, governmental bodies, and members of private industry, will help develop Utah’s semiconductor workforce and increase its access to key technological infrastructure.
Argonne National Laboratory is shaping Industry 4.0 with groundbreaking research into advanced ways of making things more effective, efficient and economical, using the most cutting-edge materials and processes, with the lowest possible environmental impact.
In a new breakthrough, researchers have used a novel technique to confirm a previously undetected physics phenomenon that could be used to improve data storage in the next generation of computer devices.
Scientists from the National University of Singapore have developed an innovative catalyst that achieves a significantly lower carbon footprint, paving the way for greener chemical and pharmaceutical manufacturing processes.
A research team led by Dr. Oh, Si Hyoung of the Energy Storage Research Center at the Korea Institute of Science and Technology (KIST) has developed a highly safe aqueous rechargeable battery that can offer a timely substitute that meets the cost and safety needs.
Showers in bathrooms bring us comfort; showers from space bring astrophysicists joy. Osaka Metropolitan University scientists have observed, with their novel method, cosmic-ray extensive air showers with unprecedented precision, opening the door to new insights into the Universe’s most energetic particles.
Transition metal dichalcogenide (TMD) semiconductors are special materials that have long fascinated researchers with their unique properties.
Researchers still need to get a better understanding of how metal-organic frameworks function, especially when embedded in polymers. Reporting in ACS Applied Materials & Interfaces, researchers have now developed and characterized nitric oxide-storing MOFs embedded in a thin film with novel antibacterial potential.
Researchers have long recognized the therapeutic potential of using magnetoelectrics ⎯ materials that can turn magnetic fields into electric fields ⎯ to stimulate neural tissue in a minimally invasive way and help treat neurological disorders or nerve damage.
In Journal of Applied Physics, researchers describe an acoustic metasurface that uses pingpong balls, with small holes punctured in each, as Helmholtz resonators to create inexpensive but effective low-frequency sound insulation. The coupling between two resonators led to two resonance frequencies, and more resonant frequencies meant the device was able to absorb more sound. At the success of two coupled resonators, the researchers added more, until their device resembled a square sheet of punctured pingpong balls, multiplying the number of resonant frequencies that could be absorbed.
Cornell researchers took a novel approach to explore the way microstructure emerges in a 3D-printed metal alloy: They bombarded it with X-rays while the material was being printed.
Scientists have found that concrete’s compressive strength can be increased by 4,1% and its flexural strength by 3,4% by adding a small amount of coconut shell (only 5%). In doing so, the material’s performance increased by 6,1% compared to clear concrete.
Russian scientists have found out that a mixture of iodine-derived organic salts and silver reduce their total catalytic activity — that is the ability to speed up chemical reactions, — but such a hybrid catalyst turned out to be more stable than corresponding organic catalysts in the absence of the metal.
Mercouri Kanatzidis, an Argonne and Northwestern University materials scientist, has studied sulfur-containing materials called chalcogenides for more than 30 years. A new chalcogenide mineral has just been named for him.
Dr. Song, Kahye of the Intelligent Robotics Research Center at the Korea Advanced Institute of Science and Technology (KIST), along with Professor Lee, Dae-Young of the Department of Aerospace Engineering at the Korea Advanced Institute of Science and Technology (KAIST), have jointly developed a soft gripper with a woven structure that can grip objects weighing more than 100 kg with 130 grams of material.
Researchers have discovered that linear defects can propagate through a material faster than sound waves do. This gives scientists a new appreciation of the damage they might do to a broad range of materials in extreme conditions
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