Word: sniffer
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...enough effort to explain the causes of dissatisfaction. As a result, when a black reporter for a white-controlled news organization goes into a black community, hostility toward his employer sometimes rubs off on him. He may be regarded, in the phrase of some black newsmen, as a "Ghetto Sniffer," an Uncle Tom who has sold out to the "honky" press...
...from scratch. Much of the know-how has already been accumulated by a Chicago lab called the Olfactronics and Odor Science Center, part of the Illinois Institute of Technology Research Institute. Under a $300,000 grant from the Federal Aviation Administration, the smell researchers have developed a prototype "bomb sniffer" that scents incriminating odors with all the dispatch of a highly trained bloodhound. In fact, the system has so impressed the Israelis that they have adapted and improved the design for their own harassed airliners, though they have not officially acknowledged the use of such a detector...
Golden Tube. The target of the chromatographic detective work performed by the bomb sniffer is the vapor from a chemical called ethylene glycol dinitrate (EGDN), one of the principal components of emissions given off by dynamite. With the aid of a small internal fan, the detector samples air in the vicinity of a suspect object and passes the vapors over a modern equivalent of Tsvett's limestone-a rough gold-plated copper surface that has a special affinity for EGDN. As the molecules adhere to it, their concentration increases. The special surface is then heated...
...watched the buildup carefully, monitoring it with infrared body-heat detectors mounted in planes, "sniffer" helicopters able to locate hidden groups of men by their sweat, and covert, long-range reconnaissance teams operating in the jungles. Three weeks ago, the U.S. began pouring reinforcements into Dak To, joining the battle for access to the Highlands before the North Vietnamese were ready. By last week, as the fighting went on, some 10,000 allied troops had entered the battle and in 18 days had killed 764 Communist soldiers v. 136 U.S. dead. It became clear that the Communists were not going...
...Manpack Personnel Detector" for experimental use in Viet Nam. The device, a 24-lb. chemical and electronic version of a nose, was designed literally to smell the body odor of concealed enemy troops. Now the G.I.s-and presumably the Viet Cong, too-are more impressed than amused. The "People Sniffer," as it is known in the field, has demonstrated that it can locate hidden enemy forces and has been ordered for dozens of U.S. infantry and artillery units...