Advances in ultrasound—the same imaging technology that uses sound waves to allow doctors to monitor babies in utero—are ...

The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...

Cao W, Hu J, Wang J, Lin F and Qiu H (2026) The impact of smartphone use on working memory in college students: a functional near-infrared spectroscopy study. Front.

Abstract: This paper presents an innovative IoT-based smart home security system that integrates multiple sensors to detect various hazards and provide real-time alerts. Unlike traditional ...

Abstract: This paper presents a passive-ranging algorithm using multiple Infrared (IR) sensors positioned along the range of ballistic missile trajectory. Each IR sensor track multiple missiles using ...