When we hear the words “pitot tube,” we tend to think more of airplanes than of air ducts, but [Franci Kopač]’s guide to pitot tubes for makers shows that they can be a remarkably versatile tool for ...

Air pollution is the contamination of the atmosphere, primarily due to human activities. Due to the lack of awareness, the air is being polluted by various sources; in recent years, it has become a ...