You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

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

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

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

CableEye wire harness testing systems easily link to custom test fixtures and harnesses and instantaneously check for faults, identify the type of faults, and pinpoint fault locations.

Health and Human Services Secretary Robert F Kennedy Jr. said this weekend that he is working across the government to end all federally funded animal testing. "All the major agency heads are ...

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

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...