(Encyclopedia)
CE5
Triode electron tube
electron tube, device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an…
(Encyclopedia) DadaDadadäˈdä [key] or DadaismDadadäˈdäĭzəm [key], international nihilistic movement among European artists and writers that lasted from 1916 to 1922. Born of the widespread…
(Encyclopedia) Thackeray, William MakepeaceThackeray, William Makepeacethăkˈərē [key], 1811–63, English novelist, b. Calcutta (now Kolkata), India. He is important not only as a great novelist but…
The following table lists the title and artist of the top ten most played songs in the United States during 2013. Rank Song ArtistTotal Audience1. Blurred…
The following table lists the title and artist of the top ten most played songs in the United States during 2013. Rank Song ArtistTotal Audience1. Blurred…
Ancestor of Mammals Discovered The fossil skull of a 260-million-year-old sheep-sized animal was found near Williston on the Northern Cape, South Africa. It is the most primitive member yet…
—Borgna BrunnerVital Stats of the Universe In one of the most important cosmological discoveries in years, NASA scientists have captured the most precise image of the universe, shedding light on…
Prehistoric Eggs The earliest fossil animal embryos, dating from the Precambrian era, were found by American, Taiwanese, and Chinese scientists in phosphate deposits in China's Guizhou province.…
Notable African-American Boxers
Browse more African-American biographies by category: A-Z List Government Officials Civil Rights Leaders Religious Leaders…