Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively "sniffs" out hazardous chemicals in the air such as chlorosarin—a highly toxic ...

A simple circuit modification can effectively reduce temperature-induced noise for a JFET-based amplifier at a reasonable ...

If you're thinking about starting a new project with a Raspberry Pi, here are 5 accessories that could make a huge difference ...

Outdoor thermometers offer accurate readings, with many models measuring far more than the temperature. Find out about the ...

Prometheus has been awarded a U.S. patent for a new technology that encrypts and authenticates legacy analog security systems without requiring infrastructure replacement.

Monitor temperature, humidity, and air pressure in every room with the Aqara Temperature Sensor. Optimize comfort, prevent damage, and automate your HomeKit smart home.

Xiaomi Mijia Smart Temperature and Humidity Sensor 3 Mini has launched for crowdfunding at $4, featuring a compact design, smart connectivity, and long battery life.

We tested multiple sizes and types of air conditioners to confirm: a too-big AC can’t balance heat and humidity.