Ultrasonic fingerprint sensors are taking smartphone security to the next level, offering reliable and fast unlocking even in less-than-ideal conditions. If you’re interested in experiencing ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

YouTuber Snappiness attempts to merge two Sony A7 IIs into a large-sensor, ultra-wide camera, inspired by the Hasselblad Xpan.

This super-small security tech delivers big results around your home without getting in the way: Here's why I like it.

Johns Hopkins engineers create new class of quantum sensors to detect faint molecular vibrations Team's novel technique could lead to earlier disease detection, enhanced industrial process control ...

Our medical experts vetted the best and most popular watches that monitor heart rate on the market for 2025. Find out more here.