The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

A simple frustration turned into something much bigger for 13-year-old Jason Chang, a seventh grader at Worcester Academy in Massachusetts. Jason didn't set out to solve a global energy problem. He ...

Staring at the sun—a close (but safe) look at our home star Staring at the sun—a close (but safe) look at our home star Need a new idea to keep kids entertained? Try stargazing. Need a new idea to ...

Iran may be using a Chinese satellite navigation system to target Israel and United States military assets in the Middle East, intelligence experts say. Former French foreign intelligence director ...

I do my best to eat well and stay in shape. But as a mom of three, it’s often tough to remember what I’ve eaten today, or even how much water I’ve taken in. The overarching benefit of food-tracker ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...