New York Times: "Sometimes, Life Stinks. So He Invented the Nasal Ranger"

"Chuck McGinley, a chemical engineer, stepped out of his car, eyed the smokestack of an animal processing plant rising above the treetops, and inhaled deeply. At first he smelled nothing except the faint, sweet fragrance of the nearby trees.

Suddenly, the wind picked up. “We have an oh-my-God smell!” Mr. McGinley exclaimed.

Immediately one of his colleagues pressed a Nasal Ranger to his nose. The 14-inch-long smell-measuring device, which looks like a cross between a radar gun and a bugle, is one of Mr. McGinley’s most significant inventions.

Using terms from one of Mr. McGinley’s other standard tools, an odor wheel, a chart akin to an artist’s color wheel that he has been fine-tuning for decades, the team described the stink. “Sour,” one person said. “Decay, with possibly some petroleum,” said another."

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https://www.nytimes.com/2022/01/13/climate/nasal-ranger-chuck-mcginley.html

Chuck McGinley with his Nasal Ranger, a design inspired by the shape of the Haleakala volcano in Hawaii.Credit...Caroline Yang for The New York Times