Researchers used ultrasound-assisted carbonation to control water confinement in fresh cement paste, producing a highly refined pore network with 96.8% of pores below 200 nm. The resulting paste combined high specific compressive strength, greater high-frequency sound transmission loss, strong strength retention after water saturation, and cumulative CO2 uptake of 7.11% of cement mass after 28 days.
Researchers developed a light-responsive spiropyran and multi-walled carbon nanotube hybrid that accelerated Bisphenol A degradation under simulated solar irradiation and generated reactive oxygen species linked to pollutant breakdown. The catalyst also reduced cytotoxicity in MCF-7 cell tests and retained its crystalline structure across four reuse cycles, though its degradation efficiency declined gradually.
Researchers engineered PVDF-based magnetoelectric laminates with Vitrovac or Terfenol-D to study how interface quality, layer geometry, and strain transfer affect voltage-driven magnetic actuation. Optimized PVDF/Vitrovac laminates generated magnetic fields up to about 142 Oe at resonance and used nearly 75% less power than a conventional coil when producing the same field strength.
The Korea Research Institute of Standards and Science (KRISS, President Dr. Ho Seong Lee) has re-measured a key transition frequency of the strontium (Sr) atom for the first time in 88 years since 1938, using a photonic grating chip, and has established a new absolute frequency value with a measurement uncertainty reduced by more than 50 times.
A research team led by Dr. Kyung-Soo Kang and Dr. Hyun-Jun Lee from the Hydrogen Energy Research Division of the Korea Institute of Energy Research (KIER) has developed novel Ni/Co-based heterostructure water electrolysis electrodes that deliver superior hydrogen production efficiency compared to conventional noble-metal electrodes.
It's a typical evening at the bar, glasses clinking and conversation humming, until an unusual sight warrants a double take. At a nearby table, a young man in a T-shirt and jeans —and safety goggles and gloves —appears to be casting metal.
The Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) has joined BioMADE, a national institute focused on advancing manufacturing using biological systems in the United States, strengthening connections between ORNL research, industry needs and pathways to commercial-scale production of new chemicals and materials.
Researchers demonstrated a proof-of-concept method for machining silicon with a single 30-femtosecond extreme ultraviolet pulse, producing reproducible micrometer-scale craters with sub-micrometer widths under selected conditions. Simulations captured the dose-dependent trend but underestimated crater size, while the experiments point to possible future uses in maskless semiconductor processing and photomask fabrication.
Indium Corporation®, an industry leader in innovative materials solutions for semiconductor packaging and electronics assembly, received a Mexico Technology Award in the solder paste category for its Indium12.9HF, a no-clean, halogen-free solder paste designed to meet the growing challenges of high-density, fine-pitch assemblies.
Researchers developed a terbium(III) complex with salicylic acid hydrazide that produced predominantly green luminescence and was tested for anti-counterfeiting inks, latent fingerprint visualization, and several laboratory bioactivity measures. Under the study conditions, the material showed durable visible luminescence, resolved fingerprint details across varied surfaces, and produced preliminary antioxidant, antimicrobial, cytotoxic, and a-glucosidase-inhibitory results that require further validation.
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