Scientific American Magazine

First isolated three centuries ago, it is a key constituent of life's perpetual cycle. The first of two articles

Highest frequencies of the radio spectrum, applied in radar, may ease the congestion of U. S. telephone and telegraph lines. An account of how microwaves are already in use for relay transmission between cities

Electromagnetic radiation, - engineering chemical reactions through the use of specially designed lamps, is a powerful tool in many modern Processes

Manufacturers are getting into large-scale production of sets first of two articles appraising their necessary qualities

An Ancient Technology, In Which the Hardest Metals Are Poured Accurately in Ceramic Molds, Is a Growing Modern Business

The Laboratory Problems Which Are Involved In Practically All Manufacturing Processes Are Frequently Too Big For One Business To Handle Alone. Result: Foster D. Snell, Inc. Is Ready To Take On a Little of Everything