Feature

Bauxite by-Products Are Recovered by New Process

Best Truth Serum Yet

Missile’s Speed in Water

Match-Head Size Radio Tube Lightens Equipment

Help in Water Problem

Front Matter

[Photograph]: Uranium Shadow Show

“Toothpaste-Tube” Pump Handles Corrosive Material

Heart Uses Real Blood

Waves Remove Fine Dust, Chemical Mists from Gases

Germanium Radiation Counter Developed

Plant Timothy Grass Seeds Close for Large Crop