Want to safely repair an electric appliance or simply test your home’s wiring? Get shopping tips as well as our top tool ...

There is no one-size-fits-all tool to do everything, so you will need a checklist of what's required to do the job correctly.

This 10-second headlight test reveals battery health by checking if lights dim during startup, helping predict failures ...

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

Modern smartphones are protected against overcharging, but heat and use habits can still degrade your battery over time.

To successfully meet the United Nations' Sustainable Development Goals (SDGs), we need significant breakthroughs in clean and ...