Word: selenium
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...made a great deal of money in the stockmarket, took charge of Hearst's International News Photo Service. In the picture business Walter Howey shows his most surprising side. The books on his desk bear such titles as Solvents, Elements of Physical Chemistry, Colloidal Behavior, The Selenium Cell. Much of his time he spends on the seventh floor of the Mirror Building, behind a door marked "International Research Laboratories, Inc." There, with his staff of technicians, he has produced a machine to make a half-tone engraving in four minutes instead of the customary hour. Instead of the usual...
...Selenium-Poisoned Wheat-Selenium, a poisonous metallic element related to sulphur, has been found in such quantities in the soil of Wyoming and South Dakota that Dr. Horace Greeley Byers, Government soil chemist, considered a warning advisable. Said he: "In a wide variety of plants, including wheat, growing upon those areas, selenium was present in concentrations ranging from traces up to quantities which are deadly to animals. In many cases the selenium present produced chronic diseases which may ultimately cause death. . . . Preventive measures should be taken. It seems, however, that no serious concern need be felt except in the areas...
...sensitivity of selenium to light was discovered in 1873 by Willoughby Smith. Restaurant and railway station doors opened by selenium cells are still novelties...
...half-dozen countries, notably England, Italy, the U. S. Italy's Professor Enrico Fermi and his aids have coaxed radiations of beta particles (fast electrons) from phosphorus, iron, silicon, aluminum, chlorine, vanadium, copper, arsenic, silver, tellurium, iodine, chromium, barium, fluorine, sodium, magnesium, titanium, zirconium, zinc, strontium, antimony, selenium, bromine...
...radio waves toward a parabolic reflector which focused on a small antenna. Scientists doubted last week that Mr. Gregory, who is a nurseryman as well as an inventor, could have done any better, and their doubts were magnified by a report that his hidden receiver worked by means of selenium cells...