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IBM 402 Accounting Machine control panel.  Wired these boards in the early days of my career.

IBM 402 Accounting Machine control panel. Wired these boards in the early days of my career.

Woah, dude--watch out of the latest breed of gaming mutants, Nintendoids. This ad from Homer's in Omaha, Nebraska might be the second coolest thing about 1994 (the first, of course, being Woodstock '94).

Woah, dude--watch out of the latest breed of gaming mutants, Nintendoids. This ad from Homer's in Omaha, Nebraska might be the second coolest thing about 1994 (the first, of course, being Woodstock '94).

Premiers ordinateurs

Premiers ordinateurs

Resultado de imágenes de Google para http://www.eluniversal.com.mx/img/2012/11/Cie/computadora_antigua.jpg

Resultado de imágenes de Google para http://www.eluniversal.com.mx/img/2012/11/Cie/computadora_antigua.jpg

This is an earlier version of an intercept machine, which captured the Germans' communications and put out a ticker tape that was then read and its contents input into a second machine, called a "Tunny," for deciphering.

Breaking the Nazis' Enigma codes at Bletchley Park (photos) - Page 9

This is an earlier version of an intercept machine, which captured the Germans' communications and put out a ticker tape that was then read and its contents input into a second machine, called a "Tunny," for deciphering.

BLETCHLEY, England--They say that it would have taken at least two more years to defeat the German military had not some of the Nazis' secret codes fallen into the hands of the Allies.    For decades, since 1918, the Germans had been using Enigma cyphers as the core of their intelligence and military communications system. The Enigma was first invented for scrambling financial communications, but while that use never took off, the military saw the promise of the system.

Breaking the Nazis' Enigma codes at Bletchley Park (photos)

BLETCHLEY, England--They say that it would have taken at least two more years to defeat the German military had not some of the Nazis' secret codes fallen into the hands of the Allies. For decades, since 1918, the Germans had been using Enigma cyphers as the core of their intelligence and military communications system. The Enigma was first invented for scrambling financial communications, but while that use never took off, the military saw the promise of the system.

"Women, like men, should try to do the impossible." – Amelia Earhart #happywomensday

"Women, like men, should try to do the impossible." – Amelia Earhart #happywomensday

1800 d.c. Las escuelas rurales de Estados Unidos consistían en una casa con un único salón. Un sólo docente instruía a alumnos de diferentes grados (Housel, 2005).

1800 d.c. Las escuelas rurales de Estados Unidos consistían en una casa con un único salón. Un sólo docente instruía a alumnos de diferentes grados (Housel, 2005).

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