Resultados para "Enigma" en Política y gobierno

For almost four desperate years between 1939 and 1943, British and American navies fought a savage, losing battle against German submarine wolf packs. The Allies might never have turned the tide of that historic battle without an intelligence coup. The race to break the German U-boat codes is one of the last great untold stories of World War II.

Enigma est une machine électromécanique portable servant au chiffrement et au déchiffrement de l'information. Elle fut inventée par l'Allemand Arthur Scherbius, reprenant un brevet du Néerlandais Hugo Koch, datant de 1919. Son utilisation la plus célèbre fut celle faite par l'Allemagne nazie et ses alliés, avant et pendant la Seconde Guerre mondiale, la machine étant réputée inviolable selon ses concepteurs.

Most people can tell you two things about Clarence Thomas: Anita Hill accused him of sexual harassment, and he almost never speaks from the bench. Here are some things they don’t know: Thomas is a Black nationalist. In college he memorized the speeches of Malcolm X. He believes white people are incurably racist. Corey Robin - one of the foremost analysts of the right - delves deeply into both Thomas’s biography and his jurisprudence, masterfully reading his Supreme Court opinions against the backdrop of his autobiographical and political writings and speeches.

When the ashes had settled after World War II and the Allies convened an international war crimes trial in Nuremberg, a psychiatrist, Douglas Kelley, and a psychologist, Gustave Gilbert, tried to fathom the psychology of the Nazi leaders using extensive psychiatric interviews, IQ tests, and Rorschach inkblot tests. Never before or since has there been such a detailed study of governmental leaders who orchestrated mass killings.

Catherine Bréchignac montre comment l'homme a cherché à comprendre le monde qui l'entoure. Pourquoi cet être étrange qu'est l'humain est-il attiré par ce qui est énigmatique au point de fabriquer lui-même ses propres mystères et d'en avoir peur ? Il y a cent cinquante ans, l'électricité était considérée comme une innovation dont il fallait se méfier, une source de dangers, une invention diabolique même. L'idée fait aujourd'hui sourire, y compris ceux-là mêmes qui se méfient de la 5G ou du cloud, dont on ne saurait dire à quel nuage il est arrimé.

The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and engrossing" (New York Times) book that "shines a light on a hidden chapter of American history" (Denver Post). Recruited by the U.S. Army...

A sweeping, in-depth history of NSA, whose famous “cult of silence” has left the agency shrouded in mystery for decades The National Security Agency was born out of the legendary codebreaking programs of World War II that cracked the famed Enigma machine and other German and Japanese...