Portal:Technology/DYK/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?

Source

 * 1) Recent additions/2010/September, Numbered archive of Main Page appearance.
 * 2) Recent additions/2010/September, Numbered archive of Main Page appearance.
 * 3) Recent additions/2010/November, Numbered archive of Main Page appearance.