Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether a replacement is actually needed.

Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...

Smart plugs can add controls to any outlet, but they aren’t perfect for everything. Here’s our guide to using one and which ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...