Ratio Four review: a minimal hassle, small-batch drip-coffee machine

A super-easy way to brew consistent, fuss-free caffeine hits ...
ADTmag

Oracle Uses JavaOne to Position Java for AI-Era Development

Oracle uses JavaOne 2026 to launch JDK 26 and argue that Java can stay relevant in the AI era by building on its traditional strengths in performance, language evolution, and enterprise stability.
Nanowerk

Piezoelectric metamaterial replaces hydrophone arrays for underwater sound source detection

A 3D-printed piezoelectric metamaterial uses topology-driven charge transport to locate underwater sound sources from a single compact transducer, replacing bulky hydrophone arrays.
IEEE

A mm-Wave Dual-Polarized Flexible Array Antenna With Low Sidelobes and Symmetric Radiation

Abstract: A millimeter-wave (mm-wave) dual-polarized flexible array antenna with low sidelobes and symmetrical radiation patterns is proposed. The mechanism of the cross-shaped radiating element is ...
IEEE

Millimeter-Wave Phased Array Antenna with High Gain, Low Grating Lobes, and Fewer Phase Shifters via Overlapped Large-Sized Elements

Abstract: This paper presents a millimeter-wave (mmWave) phased array antenna (PAA) design that reduces the required number of phase shifters while achieving high gain and low grating lobes for both ...