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Belching Cauldrons of the Earth

Awe Inspiring to an Infinite Degree Are the Titanic Eruptions of Great Volcanoes

By Chester A. Reeds

From the Scrap-book of Science, January 1929

What is Life?

Fascinating Pseudo-cells Which Display the Non-Living Features of Protoplasm May be Made by the Amateur With a Few Chemicals

By Emma Reh Stevenson

Where to Put It?

Few Realize How Many Factors Will Have to be Considered in Selecting Scientifically the Best Site for the New 200-Inch Telescope

By Henry Norris Russell

Railroads Turn to the Highways

To Protect Revenues and Give Better Service, Steam Railroads Adopt Motor Buses

By F. D. Mchugh

Robots for Salesmen

Big Business Lays the Foundation for the Age of Mechanical Distribution of Merchandise

By Joseph J. Schermack and Milton Wright

Wood Gases for Motors

Gazogene, France's New Gas, Promises to Replace Gasoline As Fuel

Do the Records of Science Face Ruin?

The Wide-spread Use of Groundwood Pulp for Paper Has Endangered Many Records Which Should Be Preserved for Posterity

By C. Binkley

The Mystery of the Green Line

The Aurora Borealis Has Long Provided Science With One of Its Most Difficult Puzzles. This Problem is Now Giving Way Before Intensive Research

By J. C. Mclennan

The Month in Medical Science, January 1929

A Review and Commentary on Progress in the Medical and Surgical Fields

By Morris Fishbein

Adventurous Archeology

Naval Adequacy--V

Personnel Is a Primary Element of Naval Strength. In This, the Final Article of This Discussion, the Author Points Out Our Need for More Men

By N. H. Goss

Saving the Scraps

Cast-Iron Chips and Borings Briquetted For More Efficient Re-melting

Your Next Automobile

Few Mechanical Improvements But a Wide Variety of Body Designs and Colors Are Features for 1929


Steering Wheel Linkages, Castor Settings of Wheels, and Reasons for Wheel Wobble Are Discussed In This Installment

By P. Cormac

Noise Exclusion

Sound Waves From Noisy Streets Deflected by New Ventilator Which Admits Silent, Fresh Air

Long Bridge Shortens Coastal Route

Niagara Should be Saved

To Preserve Scenic Beauty of the Falls, Simple Remedial Measures Are Recommended by Special Board

The Origin of Petroleum

Modern Scientists Incline Strongly Toward the Theory That Petroleum Is a Product of Once Living Matter

By Heinrich Ries

Contented Animals have a Home-like Zoo


  • Departments

    Our Point of View, January 1929

  • Ice Cream Delivery Truck, Fender Repairer and More

  • A Pin at a Time, Rapid Staplers and More

  • Dress Envelope, Egg Kettle and More

  • A Pleasure-Car Snow-Plow, Cage Experiment Proves Borer Can be Controlled and more

  • Model Aircraft, Aviation in Central America

  • By-Product Process Has Almost Supplanted Beehive Coke Ovens, Methane as Successor to Present Manufactured Gas and more

  • Current Bulletin Briefs, January 1929

  • The Back Yard Astronomer, January 1929

  • The Heavens in January 1929

  • Ideas Are Not Patentable, Profits in Cinders and more

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