U.S. Reports ‘Major Advance’ In Controlling Nuclear Fusion
AEC repts on Dec 1 that 'major advance' in long lab struggle to control nuclear fusion, an almost pollution-free source for elec power, has been made at Princeton Univ's Plasma Physics Lab; scientists have used Russian style Tokamak machine design; intense heat and pressure involved; temperatures reached 25-million degrees in Princeton device; AEC chmn J R Schlesinger lauds advance but says he hesitates to use term 'breakthrough'; makes comment in physics pub Physical Rev Lrs; lab dir Dr M Gottlieb comments in telephone int
