Columbia Encyclopedia

(Encyclopedia)  CE5 Cross section of air conditioning unit. air conditioning, mechanical process for controlling the humidity, temperature, cleanliness, and circulation of air in buildings and rooms. Indoor air i...

(Encyclopedia) air, law of the, in the broadest sense, all law connected with the use of the air, including radio and satellite transmissions; more commonly, it refers to laws concerning civil aviation. The developm...

(Encyclopedia) Academy, school founded by Plato near Athens c.387 b.c. It took its name from the garden (named for the hero Academus) in which it was located. Plato's followers met there for nine centuries until, al...

(Encyclopedia) Cocoa, city (2020 pop. 19,041), Brevard co., E Fla., on the Indian River (a lagoon), a segment of the Intracoastal Waterway; inc. 1895. It is a tourist ...

(Encyclopedia) air navigation, science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course (see navigation). Basic to air ...

(Encyclopedia) force, commonly, a “push” or “pull,” more properly defined in physics as a quantity that changes the motion, size, or shape of a body. Force is a vector quantity, having both magnitude and dir...

(Encyclopedia)  CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...

(Encyclopedia) Caribou kârˈĭbo͞o [key], town (2020 pop. 7,396), Aroostook co., NE Maine, on the Aroostook ...

(Encyclopedia) Montgomery, city (1990 pop. 187,106), state capital and seat of Montgomery co., E central Ala., near the head of navigation on the Alabama River just below the confluence of the Coosa and Tallapoosa r...

(Encyclopedia) Melbourne, city (1990 pop. 59,646), Brevard co., E Fla., on Indian River (a lagoon); inc. 1888, consolidated with Eau Gallie 1969. It is a tourist and aerospace center near the Atlantic Ocean. The lea...