I: Physics and Technology. - Surfaces and Interfaces in Semiconductor Technology. - Semiconductor Devices in Perspective Discovery of and Recent Developments in Tunneling Devices. - A Short Introduction to the Physics of Sol-Gel Transitions. - Lasers and Applications. - Applications of Algebra and Geometry in Applied Systems Theory. - II Energy Resources and Earth Physics. - Magnetic Fusion Energy. - Feasibility Aspects of Solar Energy Conversion. - Wind Energy. - Ocean Waves. - Seismology. - III Physics and the Frontiers of Knowledge. - Gauge Unification of the Four Fundamental Forces. - Monopoles and Instantons: Classical Solutions to Quantum Mechanical Equations. - Cosmology Today. - Report on Some Aspects of the Scientific Programmes of the European Space Agency. - Appendix I: List of Invited Seminar Speakers. - Appendix II: List of Seminars. - Appendix III: List of Participants. Language: English