The Imperial Presidency The concept of the Imperial Presidency first came about during the 1960's, and was later made popular by historian Arthur M. Schlesinger Jr., after he wrote a book on the subject entitled The Imperial Presidency. 1  The concept of the Imperial Presidency first came about during the 1960's, and was later made popular by historian Arthur M. Schlesinger Jr., after he wrote a book on the subject entitled The Imperial Presidency .
Atlas, The Next Generation. On February 23, 2016, Boston Dynamics released video of a new version Atlas robot on YouTube. The new version of Atlas is designed to operate both outdoors and inside buildings. It is specialized for mobile manipulation and is very adept at walking over a wide range of terrain, including snow.
Mercury was used for preserving wood, developing daguerreotypes, silvering mirrors, anti-fouling paints (discontinued in 1990), herbicides (discontinued in 1995), handheld maze games, cleaning, and road leveling devices in cars. Mercury compounds have been used in antiseptics, laxatives, antidepressants, and in antisyphilitics.