Experiment with cryptography—the science of secret writing. Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks...even invisible writing and sending messages through outer space. Hours of intrigue and challenge. 45 diagrams.

Experiment with cryptography—the science of secret writing. Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks...even invisible writing and sending messages through outer space. Hours of intrigue and challenge. 45 diagrams.

Sit. Walk. Write. These are the barest bones of Natalie Goldberg's revolutionary writing and life practice, which she details in The True Secret of Writing, her first book on the silent intensives she has taught for over a decade in small groups in Taos, New Mexico. This is a whole new slant on writing since her perennial bestseller, Writing Down the Bones-and it's now availabl...(展开全部)

Channel coding lies at the heart of digital communication and data storage, and this detailed introduction describes the core theory as well as decoding algorithms, implementation details, and performance analyses. In this 2009 book, Professors Ryan and Lin provide clear information on modern channel codes, including turbo and low-density parity-check (LDPC) codes. They also pr...(展开全部)

From the Bible code to the Voynich manuscript, from subtly altered hieroglyphs carved into ancient Egyptian monuments to clues hidden in Renaissance paintings, we are surrounded by mysterious codes bearing hidden messages from the past. What does it take to write a fail-safe code? What does it take to break one? Taking in the full history of code making, from the scribes of anc...(展开全部)

First published in 1967, "Writing and Difference, " a collection of Jacques Derrida's essays written between 1959 and 1966, has become a landmark of contemporary French thought. In it we find Derrida at work on his systematic deconstruction of Western metaphysics. The book's first half, which includes the celebrated essay on Descartes and Foucault, shows the development of Derr...(展开全部)

Known for her novels, and for the dubious fame of being a doyenne of the 'Bloomsbury Set', in her time Virginia Woolf was highly respected as a major essayist and critic with a special interest and commitment to contemporary literature, and women's writing in particular. This spectacular collection of essays and other writings does justice to those efforts, offering unique appr...(展开全部)

First published in 1967, "Writing and Difference, " a collection of Jacques Derrida's essays written between 1959 and 1966, has become a landmark of contemporary French thought. In it we find Derrida at work on his systematic deconstruction of Western metaphysics. The book's first half, which includes the celebrated essay on Descartes and Foucault, shows the development of Derr...(展开全部)

First published in 1967, "Writing and Difference, " a collection of Jacques Derrida's essays written between 1959 and 1966, has become a landmark of contemporary French thought. In it we find Derrida at work on his systematic deconstruction of Western metaphysics. The book's first half, which includes the celebrated essay on Descartes and Foucault, shows the development of Derr...(展开全部)

First published in 1967, "Writing and Difference, " a collection of Jacques Derrida's essays written between 1959 and 1966, has become a landmark of contemporary French thought. In it we find Derrida at work on his systematic deconstruction of Western metaphysics. The book's first half, which includes the celebrated essay on Descartes and Foucault, shows the development of Derr...(展开全部)