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Project Mercury was America’s entry into the Space Race and was intended to put a human into space before the Soviet Union did. The Soviet launch of the Sputnik satellite in October 1957 caused a near-panic in the United States and led to desperate calls to “catch up”. President Eisenhower responded by establishing the National … Continue reading Project Mercury →
The Vigenere Cipher is an encryption system that was developed over 500 years ago, and a variant of it was still being used by Soviet KGB spies in the 1950s. Ever since people have been writing, they have been searching for ways to make their written messages secure. This has historically been most important for … Continue reading The Vigenere Cipher →
In October 1943, inmates at the Nazi extermination camp in Sobibor, in Poland, organized an uprising that destroyed the camp and led to the escape of hundreds of prisoners. In January 1942, a group of fifteen Nazi government officials met in the Wannsee suburb of Berlin with Reinhard Heydrich, second-in-command of the SS under Heinrich Himmler. … Continue reading The Sobibor Rebellion →
This futuristic sculpture in Millennium Park has become an icon of Chicago. In 1997, the city of Chicago was making plans for a patch of land near Grant Park on the shore of Lake Michigan that had previously been a parking lot and a railroad yard. At first, there was talk of building a large … Continue reading Cloud Gate, Chicago’s “Bean” →
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Project Mercury was America’s entry into the Space Race and was intended to put a human into space before the Soviet Union did. The Soviet launch of the Sputnik satellite in October 1957 caused a near-panic in the United States and led to desperate calls to “catch up”. President Eisenhower responded by establishing the National … Continue reading Project Mercury →
I remember the first time I sat down and watched Andrei Tarkovsky’s lyrical, meandering sci-fi epic Stalker. It was a long time ago, before the advent of smartphones and tablets. I watched a beat-up VHS copy on a non-“smart” TV, and had no ability to pause every few minutes and swing by Facebook, Twitter, or […]
While most foragers had great respect for nature, our farmer-era ancestors had less resepct.
Pompey’s Greatest Show on Earth JamesHoare Tue, 03/04/2025 - 09:08
In 1944, Harold Fisk was a geologist and cartographer working for the US Army Corps of Engineers when he made these 15 maps to illustrate the government’s “Geological Investigation of the Alluvial Valley of the Lower Mississippi River”. Fisk’s ingenious maps shows a different portion of the Mississippi and its various courses over time between … Continue reading "Harold Fisk Maps the History of the Mississippi River, 1944" The post Harold Fisk Maps the History of the Mississippi River, 1944 appeared first on Flashbak.
