How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
IEEE

A Novel EFPI Sensor for Ultrasonic Testing of Partial-Discharge in High-Voltage Electrical Equipment

Abstract: A novel extrinsic Fabry–Perot interferometric (EFPI) ultrasonic sensor is developed that can detect ultrasonic signals of partial discharge (PD) in high-voltage electrical equipment under ...
IEEE

A Differential Excitation Sensor for Defects of Transmission Lines by Pulsed Eddy Current Testing

Abstract: Transmission lines exposed to outdoors are susceptible to damage from environmental erosion, so regular defect inspection is required to ensure operational safety and stability for their ...
Motor Trend

Chevrolet Blazer EV Test Drive Checklist: Consider These Six Things

You’re at the dealership shopping for a 2025 Chevrolet Blazer EV and you’ve found a version of the midsize electric SUV that you like. Now it’s time to take a ...