Feature

First Glances at New Books

Front Matter

Spectroscope Puts Rainbow to Work for Industry and Science

They Are Certainly Dog Days and This Explains the Name

New Type of Silicosis Found in Wales

Two Kinds of Particles in Cosmic Rays

Philadelphia to See Stars Shining from Sheet Metal Sky

New Type of Prehistoric Pottery Found in Mexico

Machine Boss for Machines Invented by Engineers

Venus Enters Planetary Races

In Science Fields

The Barbed Wire Fence: “A Classic Invention”