Bioinspired phototransistor achieves high-sensitivity detection of low-contrast targets

Drawing inspiration from the remarkable adaptability of the human eye, researchers from the Institute of Metal Research (IMR) ...

The world's first room-temperature continuous-wave UV-B laser diode on a sapphire substrate

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Hurdle hints and answers for January 15, 2026

If you like playing daily word games like Wordle, then Hurdle is a great game to add to your routine. There are five rounds ...
IEEE

New SEPIC Derived Semi-Bridgeless PFC Converter for Battery Charging Application

Abstract: This paper introduces an AC-DC semi-bridgeless dual-switch SEPIC converter, specifically designed for battery charging applications. It focuses on improving power factor (PF) by ...
IEEE

Heuristically Optimized Features Based Machine Learning Technique for Identification and Classification of Faults in PV Array

Abstract: The faults in photovoltaic (PV) array lead to increased system losses and even fire hazards. The most frequent faults in PV strings are line-to-line (LL) and line-to-ground (LG) faults. Many ...