flexible medium-format paperback translated from English from 1988 and intended to make clear to people without mathematical latest fundamental physics discoveries about the notions of space and time; after a short preface in which he describes his vocation despite his terrible disease, author, famous physicist, describes in ten chapters affordable schemes illustrated text b & w relationships that physics was able to define between the concepts of space and one of time and the consequences that opens to our understanding of the origin and end of the universe; even though these concepts are sometimes difficult to understand, thank you to that spirit gifted with trying to get down to basic human level to make him share these exciting discoveries