Cosmic Rays, March 1926
Radiation 10,000,000 Times the Frequency of Visible Light Has Just Been Added to the Growing Gamut of Ethereal Waves
Volume 134, Issue 3
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Features
Our Alaska Railroad
How the Building of This Railroad in the Face of Colossal Obstacles Opened the Far North to Freight and Passenger Traffic
Solving Greenland's Historic Mystery
The Medieval Tragedy of White Colonists in the Far North
Star Clusters
There Is a Close Relation Between the Brightness and Spectral Types of Their Component Stars
The Subjugation of the Colorado
Substituting Power, Light and Fertile Lands for Disastrous Flood Waters
Cooling Your House in Summer
How a Former Chief of the Weather Bureau Solved the Problem of Keeping the Air in His Home Cool in Hot Weather and Moist in Winter
Scenes in a Pineapple Cannery in Hawaii
Seeing Around the World by Radio
The Development of a New Combination Photo-electric Cell and Vacuum Tube Has Created an Eye for Wireless'
Mountings for Reflecting Telescopes
Peacetime Uses for "Poison Gas"
A Wartime Weapon Is Made to Serve Mankind
Telephoning Beneath the Sea
Using Sound Waves Above the Audible Frequency, the Navy Has Developed a New Way to Telephone Secretly Through the Water from Ship to Ship
A Tree of Electricity
The Restoration of Ancient Bronzes
How Corrosion of Antique Works of Art Is Halted and Restoration Is Accomplished by a Process of Electrolysis
More Mud Houses
The Art of Cutting Diamonds
How the Rough Stone Is Cut, Sawed and Polished to Produce the Most Brilliant of Jewels
The Carolina Wren
This Happy, Optimistic Mite of a Bird Is a Musician, Architect and Artisan