8+ hour, 11+ min ago   (55+ words) Radar systems are the invisible guardians of modern aviation, shipping, and defense, but they operate in an increasingly hostile electromagnetic environment. Adversaries deliberately flood the spectrum with jamming signals designed to blind radars, confuse their receivers, and mask real targets....

11+ hour, 2+ min ago   (55+ words) Online shoppers scrolling through a popular product on a major e-commerce platform may face thousands of customer reviews, each expressing a slightly different opinion about quality, price, delivery, durability, or customer service. Reading them all is impossible, and the automated…...

13+ hour, 24+ min ago   (55+ words) Three-dimensional printing has rapidly become one of the most versatile fabrication strategies for advanced energy storage devices, offering unprecedented control over geometry, porosity and material distribution. Compared with conventional slurry-based manufacturing, which relies on coating, calendaring and layer-by-layer stacking, additive…...

21+ hour, 19+ min ago   (564+ words) Rechargeable lithium–sulfur batteries have long been heralded as one of the most promising routes beyond the limits of conventional lithium-ion technology. Sulfur is abundant, inexpensive and capable in principle of storing enormous quantities of energy per unit mass....

22+ hour, 19+ min ago   (675+ words) Power electronics rarely make headlines, yet nearly every watt that flows through an electric vehicle, a solar farm, a data center, or a fast charger passes through a semiconductor switch that must block high voltages, carry heavy currents, and waste…...

22+ hour, 47+ min ago   (623+ words) Lithium-sulfur batteries have spent decades promising an energy-storage revolution that never quite arrived. On paper, the chemistry is extraordinary: sulfur is abundant, cheap, and capable in principle of storing several times more energy per kilogram than the intercalation cathodes used…...

23+ hour, 2+ min ago   (614+ words) Direct ink writing, a nozzle-based extrusion technique that squeezes concentrated ceramic pastes into self-supporting three-dimensional structures, has matured from a laboratory curiosity into one of the most versatile platforms for manufacturing high-performance ceramic components....

1+ day, 18+ min ago   (476+ words) Fear of crime has long been described as the invisible barrier that shapes who uses public space, when they use it, and how freely they move through it....

1+ day, 5+ hour ago   (761+ words) {“title”:”Chip-Scale Optical Circulator Promises Bidirectional 800G Fibre Transmission”,”html”:”Optical networks are built on a deceptively simple problem: light travelling in a fibre almost always wants to go both ways at once, and keeping those two directions from interfering with…...

2+ day, 14+ hour ago   (754+ words) 633 Percent Bioengineer.org Researchers have unveiled a lithium-ion battery separator that pairs the workhorse durability of polypropylene with the rapid biodegradability of poly(butylene adipate-co-terephthalate), better known as PBAT, and manufactured it using an industrial gravure printing process The study,…...