Winglets Save Billions of Dollars in Fuel Costs. During the 1970s, the focus at Dryden Flight Research Center shifted from high-speed and high-altitude flight to incremental improvements in technology and aircraft efficiency.
Scorekeeper. Definition. The national media who keep track of and help make political reputations, note who is being mentioned as a presidential candidate, and help decide who is winning and losing in Washington politics.
checks and balances definition. A fundamental principle of American government, guaranteed by the Constitution, whereby each branch of the government (executive, judicial, and legislative) has some measure of influence over the other branches and may choose to block procedures of the other branches.