08Jun 17
Cracking the Lorenz SZ42’s Code
During World War II (1939–1942), the Germans used a machine called the Lorenz SZ42 to send encoded messages. This machine used wheels and switches to create billions of possible combinations.…
25Aug 16
NASA honors Katherine Johnson with a research facility
In the days before computers, Katherine Johnson was a computer. That was a job title for people who made calculations. Many of these were women, and Johnson, now 97, worked…
22Aug 16
Actress Susan Sarandon helps fund Hedy Lamarr memorial
Hedy Lamarr was one of the most famous actresses of the 1930s and 40s. But she also was a brilliant technology innovator who developed one of the key processes in…
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