Word: breeders
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...field or at the bridge table. Like Ike, he likes the far-ranging operation, is in his element when he is outbound for Labrador in the Hanna Co.'s speedy converted Lockheed patrol bomber. His nonbusiness passion is horses; he is a scientific horse breeder and an excellent horseman. His rambling, two-story country home in Kirtland Hills, just outside Cleveland, is a horsy household dominated by murals, pictures and statues of horses. Above the living-room mantel is a lighted oil painting of George Humphrey on his own Richmond Boy. He spends most of his vacations...
Married. Constance Russell Winant 53, wealthy widow of John G. Winant onetime ambassador to the Court of St. James's, and breeder of blue-blooded show terriers; and retired Navy Captain Marion Eppley, 69, wartime staff officer with Fleet Admiral Chester Nimitz and president of the Eppley Laboratory (precision measuring instruments) in Newport, R.I.; both for the second time (his first: the late Ethelberta Russell Eppley, sister of the bride); in Manhattan...
Core & Blanket. Zuckert did not explain what he meant by a "power only" reactor, but in the current issue of Nucleonics, Dr. W. H. Zinn, director of the AEC's Argonne National Laboratory, described the experimental "breeder" reactor built and operated by the University of Chicago at Arco, Idaho. It produces "power only" by burning its own byproduct, plutonium...
...active core of the Arco breeder is about the size of a football. It is made of "enriched uranium," i.e., uranium rich in fissionable 11-235. Around the core is a "fertile blanket" of 11-238, the spent metal that remains when U-235 is extracted from natural uranium to make atom bombs. Through both blanket and core circulates a sodium-potassium alloy that is liquid at ordinary temperatures. This coolant carries away the heat of the nuclear reaction. The fluid metal leaves the reactor at 660° F., and produces enough steam to generate 250 kw. of power...
Burning Plutonium. The purpose of the Arco breeder is to "breed" more plutonium than is needed to replace the U-235 that it consumes. Dr. Zinn did not say so directly, but his and Commissioner Zuckert's optimism suggests that it can be done. If so, the "power only" reactors of the future can burn all of their uranium, not merely the .7% that is naturally fissionable. There will be no need for the Government to buy their plutonium; it will be burned too. If uranium gets scarce, the "fertile blanket" can be made of thorium, which neutrons turn...