[en] Today, people think of nuclear fission in terms of its applications to energy production or to manufacture of nuclear arms. Fifty years ago, however, and in the ensuing few years, fission was a new, unexpected phenomenonwhich excited physicists all over the world. This article gives a personal recollection of those years as seen through the eyes of a member of the Niels Bohr Institute in Copenhagen. 5 refs., 2 figs

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[en] The author surveys some of his impressions of the Berchtesgaden conference (Oct 1976) on thermonuclear devices. Research programs in the Soviet Union, the United States, Japan and of EURATOM are briefly discussed. Attention is paid to planning, costs and budgets

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[en] A novel technique for fission studies, based on the inverse kinematics approach, is presented. (authors)

[en] A new energy producing technology has been found in several so-called ''cold fusion'' experiments. In years past, these effects have been difficult to reproduce, but are now being replicated internationally. Energy production has been achieved in reactors using heavy water (D₂O) and palladium cathodes. Excess energy has also been produced using light water (H₂O) and nickel cathodes. Significant results have been reported by SRI, International at the 1994 IECEC. In several types of experimental reactors, more thermal energy is produced than input by electrical energy. This ''excess heat'' has now been replicated in 30 countries and significant amounts of nuclear by-products have also been measured. Whether all of the observed excess thermal heat is the result of nuclear reactions is still being investigated. A key to the process is the purity and quality of the cathode metals used. In addition, some of the reactors are strongly sensitive to hydrogen or deuterium loading. Many papers have now been published reporting on excess thermal heat and on some nuclear by-products. This paper summarizes the results of six years of collecting and reviewing over 2,000 technical papers on cold fusion. Successful experimental papers are tabulated by country and year. Continuing experimental efforts are cited and the various types of experimental evidence are reviewed

[en] General problems of fusion reactor construction are presented. The theoretical bases of thermonuclear reactions of particles in colliding beams and particles being in chaotic thermal motion are briefly considered. The problems of magnetic confinement by a single charged particle and plasma confinement in magnetic fields of different configurations are considered

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[en] In this article, a dissertation is done about energy sustainability and the role of the different types of energy on that. It has been analyzed more deeply the role of nuclear fusion in the sustainable energy development. (Author) 34 refs.