Motivation: I want to keep saltwater fish from the Japanese coast in a room that reaches 40°C in midsummer.A few years ago, ...

A DIY thermal camera detects warm movement and alerts Home Assistant, without sending the footage to the cloud.

For decades, knowing what lies beneath a farmer’s feet has meant one thing: bagging up soil, sending it to a laboratory, and ...

Last time, we used a light sensor to measure ambient brightness and even created a control system that turns on an LED when ...

Lutetium clocks have achieved record accuracy and comparison precision, making them promising candidates for future time ...

Industrial technology moves into the kitchen to eliminate cooking guesswork. Greg Baker is a chef, restaurant consultant, and writer with almost 40 years of experience in the industry. As an expert in ...

COROS Pace 4 Pro reviews test the $449 sports watch against Garmin rivals. See how the new 1.47-inch AMOLED screen and 21-day ...

ThermoPro thermometers are often recommended by our testers, and the brand’s candy thermometer is no exception. This digital thermometer delivers accurate results in an extremely quick response time ...

The best at-home COVID-19 tests are FDA-authorized, easy to use, accurate, quick, and can also detect flu viruses. Lauren Paige Richeson is an Editor at Health, where she’s been writing, editing, and ...

NASA Artemis Watch 2.0 is a $149 programmable wearable for makers, supporting Python and Arduino, not a fitness tracker.

I’m PCMag’s senior writer covering smart home and wearable devices. I’ve been reporting on tech professionally for nearly a decade and have been obsessing about it for much longer than that. Prior to ...

EPA has established air sensor loan programs independently and through collaborations with libraries, tribes, museums, and others to enable the public to learn about air quality in their communities.