Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

In a rare slip-up, the US Federal Communications Commission (FCC) accidentally published confidential iPhone 16e schematics, ignoring Apple’s explicit request for secrecy. The 163-page PDF briefly ...

If you want to improve lighting system efficiency, ballast selection is critical. Today's most popular energy-efficient lighting designs involve new ballasts. Because ballast technology is constantly ...

Today's lighting applications include residential lighting, office interior lighting, retail and display lighting, outdoor lighting, mood lighting, and emergency lighting. These applications have ...

TThe fundamental unit of the nervous system is the neuron. Individual neurons are connected by synapses to form circuits. Evolution has driven the formation of ever more elaborate circuits to enable ...

Ever found yourself tangled in a mess of wires and components, struggling to create a clear and intuitive wiring diagram? If so, you’re not alone. Many electronics enthusiasts face this challenge, ...

We may earn a commission from links on this page. While buzzing coming from a light bulb isn’t usually dangerous, it certainly is annoying. There are a few reasons a light can make that irritating ...

An aerial view of the scenery along the Yangtze River in Nantong, Jiangsu province, in September. [Photo by Wu Shujian/For China Daily] SHANGHAI - The economic development in China's Yangtze River ...

Abstract: This paper presents a detailed performance analysis in the most common electronic ballasts for compact fluorescent lamps. Electronic ballast characteristics are presented, as following: ...