Within tiny halos of light clinging to a vanishingly thin wisp of optical fiber, scientist Jongmin Lee guides atoms like marbles through a narrow pipe. Rock the fiber and the atoms shift side by side; they just don't fall off.
Electrochemical research often requires more than current, potential and time data alone. While a potentiostat provides essential control and measurement of the electrochemical experiment, it does not directly identify the gases or volatile species being produced during a reaction.
As transistors approach atomic dimensions, the interface between different materials grows in importance. Researchers from?National Yang Ming Chiao Tung University (NYCU), TSMC Corporate Research, and colleagues from National Taiwan University, Academia Sinica, and the National Center for Instrumentation Research have devised an interface engineering approach to address a major challenge in two-dimensional (2D) transistors.
Researchers developed a room-temperature, maskless electrodeposition method for directly 3D-printing freestanding copper microinductors onto chip contact pads, enabling inductance to be generated without requiring additional dedicated planar silicon area. The printed microsolenoids achieved nanohenry-range inductance, quality factors up to 18, and experimentally validated inductive behavior up to 15 GHz, supporting their potential for post-fabrication integration into future RF electronics.
Researchers characterized four commercial blue pigments with three conservation binders using thermal analysis, ATR-FTIR, SEM-EDS, and microscopy, revealing marked differences in thermal behavior and predominantly non-homogeneous pigment-binder mixtures. Most notably, a commercial manganese blue contained no detectable manganese, while 11 of 12 pigment-binder combinations showed non-uniform behavior, highlighting the value of verifying material composition and compatibility before conservation use.
Rare-earth oxides such as cerium oxide, lanthanum oxide, and yttrium oxide can improve laser-cladded metal coatings by refining grains, purifying the molten pool, strengthening interfaces, and altering solidification behavior. The review finds that these effects can increase hardness, wear resistance, corrosion resistance, and crack resistance, although performance depends strongly on additive concentration, particle size, alloy system, and processing conditions.
This review examines how the rheology, surface oxidation, and interfacial properties of liquid metals shape their printability and performance in stretchable electronics. The authors show how advances in material formulation and 2D-to-4D printing are enabling highly conductive, deformable devices, while identifying scalability, encapsulation, recyclability, and reliable integration as key barriers to practical use.
Future lunar bases will depend on materials that can withstand radiation, extreme temperatures, vacuum, and abrasive dust while supporting power generation, storage, and transmission at increasingly large scales. The review highlights how radiation-tolerant photovoltaics, regolith-based thermal storage, lunar-derived conductors and other ISRU-compatible materials could reduce launch mass and help enable more resilient lunar energy infrastructure.
Researchers engineered a living Citrobacter sp. MICI21 biofilm on copper that outcompeted the corrosive sulfate-reducing bacterium Oleidesulfovibrio alaskensis G20 and formed a dense, mechanically cohesive barrier. The MICI21-dominated biofilm limited sulfide ingress and pitting and produced substantially greater corrosion resistance, supporting microbiome engineering as a potential strategy for living, adaptive coatings.
Australian engineers have created a strong and lightweight titanium material that floats in water, even after severe damage, revealing a promising new material for marine infrastructure.
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