Portal:Technology/Did you know/3


 * ... that the ADEOS II satellite (pictured), which cost 70 billion yen (US$570 million) to develop, failed 10 months into the mission after the solar panel malfunctioned?
 * ... that the British breastwork monitors designed by Sir Edward Reed were the direct ancestors of the pre-dreadnought battleship and the dreadnought?
 * ... that Trawscoed fort was explored using fluxgate gradiometer surveys?
 * ... that three of the four largest power stations in the world are in South America?
 * ... that a Rans S-6 Coyote II, a type of homebuilt aircraft, has flown across the Atlantic Ocean twice?