In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...

They’re searching for Nancy Guthrie’s heartbeat. Cops are flying over the Tucson desert with a high-tech Bluetooth signal detector, also known as a signal sniffer, in an attempt to locate a signal ...

The search for Nancy Guthrie has taken a high-tech turn. The Arizona police department is now flying over the Tucson, Ariz., desert with a Bluetooth signal detector, also known as a signal sniffer, in ...

A novel lawsuit in Portland argues the chemicals are a health threat that have soaked into apartment walls, furniture and even children’s toys. By Hiroko Tabuchi Federal agents have fired so much tear ...

A judge on Tuesday issued an order to temporarily restrict federal officers from using tear gas at protests outside the Immigration and Customs Enforcement (ICE) building in Portland, which comes ...

An Oregon judge on Tuesday temporarily banned federal agents from using tear gas at protests outside the U.S. Immigration and Customs Enforcement office in Portland, days after agents deployed the ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Immigration officers in Minneapolis are now using a weapon that’s unfamiliar to many ...

DENVER (KDVR) — A full list of gas stations that were impacted by contaminated fuel in the Denver metro area last week has been released, and state officials are encouraging impacted customers to make ...

Effective training helps workers understand gas hazards, respond to alarms, and reduce exposure to toxic, flammable, and oxygen-deficient atmospheres. In many industrial environments, gas detection is ...

To make the iPhone as capable as it is, Apple equipped it with several sensors. One of these is the LiDAR scanner. LiDAR — short for Light Detection and Ranging — is a sensor that essentially measures ...