The Moon has synchronous rotation: it's rotation period is the same as its period of revolution.
Airbus Reinforced Cockpit Door Description and Procedure
Guy finds this while cleaning his office. Last time he can remember doing anything with it was about 25 years ago.
Joshua Foer can remember anything, including the first 100 digits of Pi. The former U.S.A. Memory Champion explains how he—and you—can memorize anything using the major system technique, which converts numbers into words and images.
