- The World Factbook
The World Factbook provides basic intelligence on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 265 world entities.
- Algeria has known many empires and dynasties, including the ancient Numidians (3rd century B.C.), Phoenicians, Carthaginians, Romans, Vandals, Byzantines, over a dozen different Arab and Amazigh dynasties, Spaniards, and Ottoman Turks. Under the Turks, the Barbary pirates operated from North Africa and preyed on shipping, from about 1500 until the French captured Algiers in 1830. The French southward conquest of Algeria proceeded throughout the 19th century and was marked by many atrocities. A bloody eight-year struggle culminated in Algerian independence in 1962.
- J. J. Thomson and The Electron: 1897–1899: An Introduction (PDF)
This being the 100th anniversary of J. J. Thomson’s discovery of the electron, the October 1897 paper in which he presented his case that cathode rays are streams of subatomic “corpuscles” is attracting a great deal of attention. Viewed from 100 years later, this paper stands out as the starting point for the research into the structure of the atom that has dominated 20th-century science.