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Night Safety Achieved with Buttons

Who have the Highway Accidents?

Three Groups of Drivers, By No Means a Hopeless Prospect, Good Teaching Produces Safe Drivers, The Key to Accident Prevention

By R. W. Crum

An Air—Minded First Line of Defense

Naval Air Force Efforts Directed Toward One Main Objective-to Increase the Efficiency and Striking Power of Whole Fleet

By Jonas H. Ingram

The Coolest Stars

Results of the Recent Successful Search for Faint Exceptionally Red and Infra-red Dwarf Stars, How The Temperatures of Such Stars are Ascertained

By Henry Norris Russell

Modern Plant 'Wizardry'

Breeders Maintain and Improve Plant Heritage, No Magic; Persistence and Patience Get Results, Art and Science of Great Economic Value

By Keith C. Barrons

Miracles from Marbles

By A. P. Peck

And Now the X-Particle

Newest Applicant for Membership in the Atomic Family May Really be New or Merely an Old Friend in Disguise, Every Day Brings New Data in this Most Intriguing Puzzle of Current Atomic Physics...

By Jean Harrington

Shasta Dam

Will Be World's Second Highest, Primary Function to Conserve and Regulate Water Resources of Sacramento River Valley, 560 Feet High

Aluminum Can Be Plated

Long Resisted All Efforts to Plate it, Final Success, Process is Cheap, Fast, and Practical, Will Greatly Expand Uses of Light Metal

By Raymond F. Yates

Out Where the Vets Begin

Work of Modern Veterinarians Vital to Human Health, People "Catch" Many Serious Animal Disease! Vets Study and Rigidly Control Them

By Edith M. Stern


  • 50 Years Ago, July 1938

  • From the Editor

    Our Point of View, July 1938

  • Recommended

    Books Selected by the Editors, July 1938

  • Departments

    Personalities in Industry, July 1938

  • Night Safety, Last Word in Welders, and more

  • Camera Angles, July 1938

  • Camera Angles Round Table, July 1938

  • Telescoptics, July 1938

  • Current Bulletin Briefs, July 1938

  • Legal High-Lights, July 1938

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