(Encyclopedia) Pennsylvania Railroad, former U.S. transportation company; inc. 1846 by the Pennsylvania legislature. It opened in 1854 as a single-track line between Philadelphia and Pittsburgh.…
(Encyclopedia) Bolt, Usain St. Leo, 1986–, Jamaican sprinter. Unusually tall (6 ft 5 in./1.96 m) for his sport, he won the gold medal for the 200-m sprint at the 2002 world junior championships and…
(Encyclopedia) Burlington Northern Santa Fe Railway, railroad system in much of the United States (except the Northeast) and in S Canada, created in 1995 from the merger of Burlington Northern Inc.…
The Camera Moves in Relation to SomethingMovies and FilmFilm: Camera MovementTracking the History of Camera MovementThe Five Basic Techniques of Camera MovementThe Camera Moves in Relation to…
(Encyclopedia)
CE5
Particle detector—Bubble chamber: A. Pressure drops as piston is raised; B. Charged particles passing through chamber ionize atoms in liquid; C. Bubbles form around atoms and…
Spears, Britney Jean
(Encyclopedia) Spears, Britney Jean, 1981- , b. McComb, Ms. Spears studied singing and dance as a young child in her hometown and enrolled in New…
Quadratic Equations and Inequalities
Algebra
Quadratic Equations and Inequalities Solving Quadratics by Factoring Completing the Square The Quadratic Formula All Signs Point to the…
