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National Museum of the American Indian

(Encyclopedia) National Museum of the American Indian, institution devoted to the collection, preservation, and presentation of the culture of the indigenous populations of the Western Hemisphere, a…

multiplexing

(Encyclopedia) multiplexing, in communication, technique whereby two or more independent messages, or information-bearing signals, are carried by a single common medium, or channel. When multiplexing…

hypertext

(Encyclopedia) hypertext, technique for organizing computer databases or documents to facilitate the nonsequential retrieval of information. Related pieces of information are connected by…

Christian, Charlie

(Encyclopedia) Christian, Charlie (Charles Henry Christian), 1916–42, African-American jazz guitarist, b. Bonham, Tex. The son of a singer-guitarist father and pianist mother, he grew up in Oklahoma…

optical disk

(Encyclopedia) optical disk, any of a variety of information storage disks that are played or read using a laser. Optical disks include compact discs (CDs and CD-ROMs), laser discs (see videodisc),…

Abraham Lincoln

Read and watch to learn more about our 16th president Watch this video to learn about Abraham Lincoln as a man and president. Hear about Lincoln's stand against slavery, the Emancipation…

Michael Nesmith

Michael Nesmith was one of the four founding members of The Monkees, a made-for-TV musical group that was a pop phenomenon in the late 1960s. Michael Nesmith was born in Houston, dropped out of high…

The Solar System

Formation of the Solar System The Sun The Moon The Moon's Phases Some Facts about Eclipses Mercury Planet Mercury Video Venus Earth Mars Planet Mars Video and Activities Jupiter…

football

(Encyclopedia) CE5 A professional football field. College teams use a similar field except that the inbound lines are 53 ft 4 in. (16.25 m) from the sidelines. football, any of a number of games…

The White House

Where the President Lives and Works Watch this video to learn facts about the famous landmark, the White House, in Washington, D.C. Choosing a City In the late 1700s, it was decided that our…