Word: apparatus
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...Chambers was ill at his Maryland home last week, unavailable to expound the letter. However, a reasonable paraphrase of it in overground language might be: Having received threats from Jake, Chambers warned him to beware of 1) a Soviet apparatus other than Jake's, and 2) the U.S. Government, if there were reprisals against Chambers. Since the UG (underground) was fighting the Ul (another branch of Soviet apparatus) for control of their U.S. operations, Jake might get caught in the riptide between them, as Chambers himself had been. Although President Roosevelt and Attorney General Frank Murphy, in Chambers...
Flash-Dater. Finding the age of ancient objects by radioactive Carbon 14 depends on supersensitive measuring apparatus. Professor Willard F. Libby, University of Chicago discoverer of Carbon 14 dating, uses a Geiger counter surrounded by a shield and other protections against intruding radiation. Chicago's Professor James R. Arnold announced last week an even more sensitive system...
...hydrocarbon fluid in a 4-in. tube. Radiation from its unstable atoms makes the liquid give flashes of light. They are too faint for human eyes to see, but photomultiplier tubes pick them up. The whole system is immersed in liquid mercury. As a further safeguard, the counting apparatus is adjusted so that it ignores all flashes of light too weak or too strong to come from Carbon...
...Arnold's apparatus should extend the "Carbon 14 calendar" back from 23,000 to 42,000 B.C. and spot, within 37 years, the date, for instance, when slope-browed Neanderthal men roasted a wooly rhinoceros...
Fishermen's Friend. A sonar apparatus for locating schools of fish was put on sale by Minneapolis-Honeywell Regulator Co. Other commercial fish-finding devices work only when the boat is directly above the school; Sea Scanar sends out sound impulses in a 180° arc, has located fish as far off as a quarter of a mile. Price (uninstalled...