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About Medford mail tribune. (Medford, Or.) 1909-1989 | View Entire Issue (Feb. 11, 1960)
El. A Ordinary Rocks Seen As Future Source Of Nuclear Fuel New York -(Scientific Am erican Feature) Nuclear re actors that produce more fuel than they consume make it feasible to "burn the rocks," that is, to utilize the vast sup ply of uranium and thorium contained not in rich ores but in ordinary rocks such as granite, according to Alvin M. Weinberg, director of the Oak Ridge National Laboratory. "Even if scientists fail in their current efforts to meet the energy needs of future generations by learning how to 'burn' the sea," he says, "an other energy source about as abundant is close at hand. This resource consists of the enormous quantities of urani um and thorium dispersed in trace amounts throughout the rocky crust of the earth. To extract the energy the rocks contain we can draw upon ex isting technology. Nuclear re actors that operate on the con trolled fission of the heavy elements are already generat ing electrical power. "We need only to perfect the breeder re actor - the reactor that "breeds' more nuclear fuel than it consumes and shall literally be able to 'burn the rocks.' Could Multiply Material "The realization that an es sentially inexhaustible source of energy lies almost within cur grasp has come surpris ingly late in the evolution of nuclear power. It was not un til 1955, at the first Geneva Conference on the Peaceful Uses of Atomic Energy, that Harrison Brown and L. T. Sil ver of the California Institute of Technology, demonstrated that the trace amounts of ra dioactive elements present in the granite of the continents could vastly multiply the sup ply of fissionable material ac cessible in ores. In conse quence of this and subsequent studies there is no longer any doubt that nuclear breeding offers a long-term solution to society's energy problems. "Breeder reactors have been built or are ' under construc tion in the U. S., Great Brit- Quotes From the News By United Press International Milwaukee, Wis.-Quartermaster 1-c William Floyd, stating that he and two other seamen were safe even though their sub lost nearly all its mooring lines in gale-tossed Milwaukee Harbor: "We aren't in any danger, we're just cold and uncomfort able and it's hard to get around down here in the dark." Atlanta Mrs. Rosemary Brown, of East Poino, Ga., fighting back tears at a juvenile home where she found her four-year-old daughter Wanda who had been missing most of the day: "Come on, Wanda, let's go home." Los Angeles-Dr. R. Bernard Finch, after being asked by the district attorney prosecuting him for murder whether the "last time" he had seen a shaving kit and Carole Tregoff at the death scene was when he threw Carole the kit and told her to run: "Yes. they left together." Chicago Burglar Richard Morrison, who blew the whistle on police who cooperated with him in his looting, promising to cooperate with a grand jury investigating po lice corruption: "I don't believe I would have started all this if I had known it would go this far, but now that it has I'm glad." ain and the U.S.S.R. The first, the Experimental Breeder Re actor No. 1 at the National Reactor Testing Station in Arco, Idaho, was also the first reactor in the world to gen erate electricity, about 200 kilowatts. The U.S.S.R. has built two breeders at Obninsk, some 100 miles from Moscow. And last November the Doun reay reactor, the first breed er in Great Britain, began to operate on low power. A sec ond U. S. reactor, now near ing completion, is designed to yield 62,500 kilowatts of heat and 15,000 kilowatts of elec tricity and is about the same size as the Dounreay reactor. The smaller U.S.S.R. reactor is rated at 100 kilowatts of heat and the larger 5,000 kilo watts. "It seems obvious that in the long run the world will be able to use breeder energy only if it is cheaper, more abundant or more accessible than any other energy source. One of the most serious poten tial competitors is solar en ergy. But the diluteness and unpredictability of sunlight argue against it as a primary energy-source in large power stations especially because such a station would involve a formidable capital invest ment. It is estimated that so lar energy will require an in itial investment of from $1, 000 to $2,000 per kilowatt. To compete successfully, an al ternative energy system should cost less than, say, $1, 500 per kilowatt. Here breed er reactors have a marked ad vantage, for their capital cost should be no more than $750 per kilowatt even if their fer tile material comes from low grade sources such as granite. This estimate drops to about SPARE THE FLAG! Atlanta -flJTD- The Georgia Legislature passed a bill Wednesday prohibiting use of replicas of the old Confeder ate battle flag for advertising purposes. "The Confederate flag is the only relic we have that the Supreme Court can't get to," state Sen. Clarence R. Vaughan Jr. said. 3 mum 7 JBtrZ- . wr ei-YL 1 VTTrfiT TaT 1 ie i 39 1 CCSPASE WITH ITCHES AT Evtry Watch Has These Quality Ftcrfures: Rue Swiei Mvmnta Unbraefcefcle Molniprinft AirtUMafiwtH 17 Jewele 'lea Per Men: SeJf-Wlndlno;, Water and Shack (Mlitan Medele -af Wot and SwUhMm) Medal., -mt With txpamlen reicelet t Dml Medek With fapantlea) - rentals Sty'e tor Wmhui T J-Olemend Medal C 14-Karat OaM Com Medal E"" Nana Woter end SHeck-Reittnt Model. X Iweratoaalo Type Medeh VOS CARAT total weight 8 -Diamond Bridal Pair i VJCACIATi 25 00 vu to pt total weight 8 -Diamond Bridal Pair 00 VIM Tt Mf Flawless quality in a total carat weight series S Lower prices because of direct import from our jJ j diamond cutting plant in Amsterdam, Holland - V $200 to $300 per kilowatt if the reactor is started with cheap uranium from high grade ores and kept burning with the relatively expensive materials from the low-grade sources. "As academician N. N. Bol golyubov, head of the Insti tute of Theoretical Physics at the Soviet Joint Nuclear Cen ter, said to me recently, 'breeding constitutes a trivial solution to man's ultimate en ergy problem.' fernaps it is because of the essential sim plicity implied by the word 'trivial' that those of us who are interested in breeding find it such an exciting technologi cal development." MacArthur Still On Serious List New York - (UPO - Gen. 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