Category: Personal Musings
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Yuri’s Night
Today—April 12, 2012—marks the 51st anniversary of Yuri Alekseyevich Gagarin’s first spaceflight, the first time a human being orbited Earth. In a flight that lasted just 108 minutes, Russian cosmonaut Gagarin traveled in the (very uncomfortable-looking!) space capsule Vostok 1. In recent years, his achievement has been marked worldwide by a festival known as Yuri’s…
Galileo's Pendulum 