
You are currently logged out. Please sign in to download the issue PDF.
Features
Artificial 'Radium'
Making Other Elements Artificially Radio Active, What Happens - Central Importance In Physics Today, Treatment of Cancer
Civil Aviation in National Defense
The "Space-Penetrating Power" of Telescopes
Compare Two Telescopes With Same Aperture hut Different Focal Lengths, Limitations of a Great Telescope, Seldom at its Best
The Food of Peking Man
Man's First Dietetic Record Found in His Actual Living Quarters, Oldest Known Inhabitant of Asia, Fossil Garbage, A Rare Specimen
Surer Artificial Respiration
Nielsen Life-Saving Technique Surpasses, by 41 Percent, the Widely Used Schaeffer System
Diesels for Battleships?
Large Number of Small Engines, Greater Fuel Economy, Quick Replacement, Repair, Simple Overhaul, Spares for Replacement
The "Big Top" in a Theater
Rubber Takes the Shocks of Industry
Persistent Rubber Research, Product Sticks to Old Jobs, Does Them Better, New Uses, New Research, Potentialities for the Future