3 reasons why your Apple Watch sleep score is 'low' — and how to fix it starting tonight

Experts share 3 reasons why your Apple Watch Sleep Score is low even when you get 7 hours or more sleep a night ...
Tech Xplore

Ultrasonic sensor eliminates inspection blind spots in extreme environments

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...
CNX Software

DFRobot launches low-power, low-cost Fermion: BMV080 air quality sensor module

BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.
IEEE

Lock-In Based Phase Fluorometric Dissolved Oxygen Sensor Interface With 4 kHz – 150 kHz Tunable Excitation Frequency and Frequency Error Calibration

Abstract: Optical dissolved oxygen (DO) concentration measurement based on phase fluorometric theory is one of the most promising DO concentration measurement methods with advantages of insensitivity ...