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-in-glass thermometer for measurement of room temperature. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714).he volume of mercury changes slightly with temperature; the small change in volume drives the narrow mercury column a relatively long way up the tube. The space above the mercury may be filled with nitrogen or it may be at less than atmospheric pressure, a partial vacuum.