With their quick, non-destructive results, handheld Raman spectrometers are changing the way material analysis is done on the go. These portable devices can make it easier to do complicated analysis ...

Your car’s battery is essential for powering everything from starting the engine to running your headlights and electronics. But like any other part of your vehicle, it can wear out over time. Testing ...

A hidden feature called Connectivity Labs on Samsung phones gives users advanced Wi-Fi tools, and it only takes a secret ...

A coffee-ring-based test is 100 times more sensitive than current COVID kits and can also detect sepsis at home.

Experts explain the risks and benefits of using programs like ChatGPT to analyze results before your doctor calls to discuss them.

Don't throw out your expired COVID tests just yet. Here's how to find out if the expiration date has been extended.

It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.

A Sephora customer says she recently found out the hard way why you shouldn’t use testing makeup at beauty stores.

Shopping for perfume online can be intimidating, mainly because you don’t get to experience the scent in person, as there’s no tester. However, if you're still keen on purchasing a fragrance ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app.