Friedwardt Winterberg The Physical Principles Of Thermonuclear Explosive Devices Paperback Book. Published by the Fusion Energy Foundation in 1981, this technical work explores the physics of the H-bomb and the principles behind unlimited fusion energy. The text is part of the Frontiers of Science series and features a cover design by Alan Yue with photography courtesy of the DOE. This vintage scientific publication remains a notable reference in the field of inertial-confinement fusion and nuclear energy research.