Plastics Come of Age
Age 66, Structural and Insulating Qualities, Shoes and Dental Plates, Fireproof Wall Panels, Transparent or in Colors, Compete With Wood and Metals, An Even More Plastic World Seen
Volume 152, Issue 1
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Features
Indoor Photography
With Ordinary Cameras, Super-Sensitive Film, Inexpensive Flood-Lights, Flash-light Bulbs
Quintuplets, Quadruplets Triplets, Twins
Guarding Egypt's Tombs
Protective Portcullises Broken Open, Trick Sliding Doors Failed, Granite Slabs Circumnavigated
How Big is the Milky Way?
A New Deal For Mice
Why Mice are Used in Research on Human Diseases
Revolution Among the Lubricants
Low Grade Crudes Give High Grade Motor Oils, Propane Used in Refining, Process Removes All Wax
Sundials and Their Construction
Part VIII--Lines of Declination for Dials in Planes Parallel to the Earth's Axis
Norris Dam
Storage and Flood Control, Link in Tennessee Valley Program, Will Produce Power, Unique Engineering Problems, Economic Significance
Light in Glass Packages
Research for Industry
Institute's Creative Research, For Self, For Industrial Sponsors at Cost, End-Product Belongs to Sponsor, Avoids Abstractions and Curiosity
Progress in this Age of Science
As Told to SCIENTIFIC AMERICAN