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superconductivity

(Encyclopedia) superconductivity, abnormally high electrical conductivity of certain substances. The phenomenon was discovered in 1911 by Heike Kamerlingh Onnes, who found that the resistance of…

computer virus

(Encyclopedia) computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer…

Notable Explorers

Notable Explorers Christopher Columbus See also Columbus and Other Explorers Notable Women Adventurers People in the NewsRecent Obituaries Related Links Quiz:…

Notable Explorers

Christopher Columbus See also Columbus and Other Explorers Notable Women Adventurers People in the News Recent Obituaries Related Links Quiz: Explorers Quiz: Women…

Famous Firsts by American Women, 1587–1900

Here is a timeline about famous firsts by American women. This information includes such notable figures as the first published author in 1650 (Anne…

Sherman, William Tecumseh

(Encyclopedia) Sherman, William Tecumseh, 1820–91, Union general in the American Civil War, b. Lancaster, Ohio. Sherman is said by many to be the greatest of the Civil War generals. Sherman was…

Voting Rights After Shelby v Holder

States move to tighten voting rules after Supreme Court ruling on Voting Rights Act Related Links Landmark Supreme Court Cases…

America's "Capitals of the World"

Destination Bizarre Great American claims to fame by John Gettings Here is a closer look at ten of America's most interesting (…

Women in the 114th Congress

This table provides the name and state of the women serving in the 114th Congress, which began in 2015. There are 85 women in the House of Representatives and 20 women in the Senate. State…

U.S. Military Leaders

Douglas MacArthur See also People in the NewsRecent Obituaries Related Links Military Personnel Veterans Memorial Day Veterans Day America's Wars: U.S. Casualties and…