If one knows the exact properties of a vacuum, one can predict everything. This book reviews and discusses our present understanding of “nothing”. The main

This book is a unique report on the frontiers of subnuclear physics presented by world specialists in a clear, rigorous and simple way.The problem of the physic

In August/September 2001, a group of 75 physicists from 51 laboratories in 15 countries met in Erice, Italy to participate in the 39th Course of the Internation

UNDER THE SPELL OF THE GAUGE PRINCIPLE — by G 't HooftThe University of Bologna and its Academy of Sciences, in collaboration with the Italian National Instit

Contents:Hot Theoretical Topics:Harmony of Scattering Amplitudes: From QCD to N = 8 Supergravity (Z Bern)The Measure Problem in Cosmology (R Bousso)Black Holes