The Run-n-Read sensor can also be used to flip pages back and forth by giving it a tap or a double-tap, and even doubles as a fitness tracker by keeping tabs on how many steps you’ve taken.

The Google Pixel 9 series is here, and one of the biggest upgrades it delivers is the use of a new ultrasonic fingerprint sensor, and it’s the same one used in Samsung Galaxy devices.

Ultrasonic double-sheet detectors distinguish between single and double sheets of paper, plastic, ... Sensor Sense: Ultrasonic Double-Sheet Detectors. Sept. 11, 2008.

Microsoft’s Kinect, a depth-sensor that has the ability to map the world around it in three directions, was a huge step forward for 3-D imaging. The Structure Sensor, ...

The clip-on sensor that could prevent concussion: Tiny monitor sends alerts to referees when a player bangs their head. Jolt Sensor device monitors movement of players, keeping track of impacts; ...