How to Monitor Your Blood Pressure at Home

The BPM Vision doesn't actually work with Withings' Cardio Check-Up—you need an ECG-enabled Withings tracker, like the ...
AZ Animals

Can You Tell the Temperature by Listening to Crickets? The Science Behind Dolbear’s Law

Dolbear’s Law reveals how the snowy tree cricket can act as a natural thermometer. By counting chirps, you can estimate ...
Opinion
PCMagOpinion

I Taught Myself to Use the Flipper Zero in an Hour, Then Hacked Everything in My Home

It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.
IEEE

Spatiotemporal Load-Analysis Model for Electric Power Distribution Facilities Using Consumer Meter-Reading Data

Abstract: The load analysis for the distribution system and facilities has relied on measurement equipment. Moreover, load monitoring incurs huge costs in terms of installation and maintenance. This ...
Nghe An

How to easily check if your car key battery is running low using a multimeter.

Car key batteries typically last 2-5 years, but they can drain prematurely due to temperature. Use a voltmeter to check the voltage accurately to avoid situations where the car suddenly stops ...
IEEE

Metrological Traceability for the Impedance of Coaxial Devices Using an LCR Meter

Abstract: In this article, capability for traceable impedance measurements of Type-N coaxial devices implemented using an LCR meter is presented. An LCR meter, operating at frequencies between 1 kHz ...