A seventeen-volume, alphabetically-arranged encyclopedia contains approximately five hundred articles introducing key aspects of science and technology.Remote control systems sometimes use extended, physical control links, but more usually use radio waves or other ... A child uses a simple remote-control device to direct the movements of a toy truck. ... an electric circuit), and an electromechanical device called an actuator or escapement, which controls the single function.
|Title||:||Growing Up with Science|
|Author||:||Marshall Cavendish Corporation|
|Publisher||:||Marshall Cavendish - 2006-01-01|