Word: fusions
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Dates: during 1950-1959
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...tuna boat Stiruga Maru. Analyzed by Dr. Kenjiro Kimura of Tokyo University, it proved to contain a familiar array of fission products-ruthenium, rhodium, tellurium, iodine, cerium, neodymium, etc.-as well as uranium 237 and neptunium 239. This combination of elements indicated that the explosion was the "fission-fusion-fission" type, which gets much of its energy from the fission of normally inactive uranium...
Project Sherwood, the secret U.S. program to achieve controlled thermonuclear (atomic fusion) power, came ever so slightly into the open last week. After attending a secret conference of 350 Sherwood men at Gatlinburg, Tenn., Dr. Edward Teller, leading authority on thermonuclear processes, delivered a complicated paper before an unclassified meeting of the American Nuclear Society at Chicago...
...FUSION DATA, obtained from H-bomb development, will soon be released to private industry for peacetime use. Atomic Energy Commission has already given 36 companies permits to use semi-restricted fusion-energy data, is currently debating whether to lift all restrictions at once or let information trickle out slowly. Chances are that it will come out slowly...
Pinch Effect. The big problem in controlled fusion is to reach the necessary high temperature (millions of degrees) without melting or vaporizing the walls of the container. Kurchatov told how Russian scientists experimented elaborately with one of the most promising methods, the "pinch effect." When a powerful electric current is sent through an ionized gas in a tube, it creates a magnetic field that compresses the gas into the tube's center, keeping it away from the walls...
When Kurchatov finished, the Harwell researchers gave him an ovation. British newspapers proclaimed that the Russians are close to success in harnessing fusion power, and are far ahead of the U.S. and Britain. Kurchatov's speech did not justify any such conclusion. What it did prove is that Soviet scientists 1) have been doing ambitious and interesting work on controlled fusion, and 2) they are not compelled to keep all their results secret...