Word: detective
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Dates: during 1940-1949
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...factor was political; general elections were near and it took no crystal gazer to detect what the people wanted...
...seacoast fire-control radar" can detect individual vessels 25 miles out to sea through the soupiest nor'easter, with a five-yard margin of error at twelve miles...
...First to announce a commercial radar was General Electric, which offered a ship's set to detect other ships, rocks, buoys, etc, at night...
...easy to poison, because it soon learns to detect a give-away taste or smell. But "1080," a chemical known as sodium fluoroacetate, fools the cagiest rat. It is soluble in water and can be offered in a tasteless solution. And a pinpoint of it kills a half-pound rat. Drawback: "1080" is also deadly to dogs, other "small mammals...
...they gave only a crude, distorted echo; 2) they had some blind spots, especially close to the ground; 3) they required huge "bedspring" antennae. Microwaves solved all these problems at one stroke. These tiny waves, which are measured in centimeters, can be formed into a beam precise enough to detect the periscope of a submerged submarine...