COMMUNICATIONS SATELLITE HOW DOES A TELEPHONE WORK? HOW DOES A RADIO WORK? HOW DOES A TELEVISION WORK? HOW DOES A CELL PHONE WORK? BIOGRAPHY: GUGLIELMO MARCONI Italian, 1874-1937 ELECTROMAGNETIC…
Record of the Year“Bridge Over Troubled Water,” Simon and GarfunkelAlbum of the YearBridge Over Troubled Water, Simon and Garfunkel (Columbia)Song of the Year“Bridge Over Troubled Water,” Paul…
This page provides explanations and images of bodies throughout the universe: galaxies, solar systems, planets, nebula, stars, asteroids, comets, quasars, black holes, and more.
Asteroid
This…
(Encyclopedia) computer terminal, a device that enables a computer to receive or deliver data. Computer terminals vary greatly depending on the format of the data they handle. For example, a simple…
(Encyclopedia) collagencollagenkŏlˈəjən [key], any of a group of proteins found in skin, ligaments, tendons, bone and cartilage, and other connective tissue. Cells called fibroblasts form the various…
(Encyclopedia) histologyhistologyhĭstŏlˈəjē [key], study of the groups of specialized cells called tissues that are found in most multicellular plants and animals. Histologists study the organization…
(Encyclopedia) hafniumhafniumhăfˈnēəm [key], metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227℃; b.p. 4,602℃; sp. gr. 13.31 at 20℃; valence +4. Hafnium is a lustrous…
(Encyclopedia) ModocModocmōˈdŏk [key], Native North Americans whose language belongs to the Sahaptin-Chinook branch of the Penutian linguistic stock (see Native American languages). They formerly…
(Encyclopedia) Watson, James Dewey, 1928–, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research…
