Each button on Laura's memory string represents a piece of her family history. The buttons Laura cherishes the most belonged to her mother--a button from her prom dress, a white one off her wedding dress, and a single small button from the nightgown she was wearing on the day she died. When the string breaks, Laura's new stepmother, Jane, is there to comfort Laura and search fo...(展开全部)

Hat, ribbon, bird, rose. To the people on the island, a disappeared thing no longer has any meaning. It can be burned in the garden, thrown in the river or handed over to the Memory Police. Soon enough, the island forgets it ever existed. When a young novelist discovers that her editor is in danger of being taken away by the Memory Police, she desperately wants to save him. For...(展开全部)

Hat, ribbon, bird, rose. To the people on the island, a disappeared thing no longer has any meaning. It can be burned in the garden, thrown in the river or handed over to the Memory Police. Soon enough, the island forgets it ever existed. When a young novelist discovers that her editor is in danger of being taken away by the Memory Police, she desperately wants to save him. For...(展开全部)

The two volumes that comprise String Theory provide an up-to-date, comprehensive account of string theory. Volume 1 provides a thorough introduction to the bosonic string, based on the Polyakov path integral and conformal field theory. The first four chapters introduce the central ideas of string theory, the tools of conformal field theory, the Polyakov path integral, and the ...(展开全部)

The two volumes that comprise String Theory provide an up-to-date, comprehensive account of string theory. Volume 1 provides a thorough introduction to the bosonic string, based on the Polyakov path integral and conformal field theory. The first four chapters introduce the central ideas of string theory, the tools of conformal field theory, the Polyakov path integral, and the ...(展开全部)

The Little Book of String Theory offers a short, accessible, and entertaining introduction to one of the most talked-about areas of physics today. String theory has been called the "theory of everything." It seeks to describe all the fundamental forces of nature. It encompasses gravity and quantum mechanics in one unifying theory. But it is unproven and fraught with controversy...(展开全部)

在线阅读本书 Families have secrets they hide even from themselves... It should have been an ordinary birth, the start of an ordinary happy family. But the night Dr David Henry delivers his wife's twins is a night that will haunt five lives for ever. For though David's son is a healthy boy, his daughter has Down's syndrome. And, in a shocking act of betrayal whose consequences only ti...(展开全部)

There are few terms or concepts that have, in the last twenty or so years, rivaled "collective memory" for attention in the humanities and social sciences. Indeed, use of the term has extended far beyond scholarship to the realm of politics and journalism, where it has appeared in speeches at the centers of power and on the front pages of the world's leading newspapers. The cur...(展开全部)

In the popular imagination, archives are remote, largely obsolete institutions: either antiquated, inevitably dusty libraries or sinister repositories of personal secrets maintained by police states. Yet the archive is now a ubiquitous feature of digital life. Rather than being deleted, e-mails and other computer files are archived. Media software and cloud storage allow for th...(展开全部)