You might think you know everything your plants need from sunshine to water to soil type, but do you know the pH? These easy-to-use devices can help.

Learning how to use your camera's light meter will allow you to properly adjust your settings without the guesswork.

The best way to tell if you’re getting what you’re paying for each month is by running a simple internet speed test. We'll show you how. Joe Supan is a senior writer for CNET covering home technology, ...

Calibration is one of the most critical steps in the pH measurement process. Some of the common calibration-related problems include out-of-range slope values and cell constants, inaccurate readings ...

The federal government program that mailed free at-home COVID-19 tests to households is no longer active. Some insurance providers may still cover the cost of at-home tests, and free tests may be ...

The circuit is simple, economical, and built using easily sourced, budget-friendly components. True to form, the onboard test ...

METTLER TOLEDO announces the launch of NineFocus, its new high-performance, multiparameter benchtop meter system. Designed ...

On a quiet San Francisco street, a plain white billboard seemed to appear out of nowhere. No logo, no tagline, just five strings of numbers. Was it an ad? An art project? Or something else entirely?

Starting next month, green card holders seeking to become U.S. citizens will be taking a new and longer version of the naturalization test. The 2025 Naturalization Civics Test will have more potential ...

An Epic Universe roller coaster worked properly the day a man was found unresponsive on it and later died, Universal Orlando Resort’s president wrote in a memo obtained by the Orlando Sentinel on ...

The most common first diagnosis of Alport syndrome in Japan is during the universal age-3 urine screening. In 60% of these ...