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Features

The Inertia of Energy

As Related to the Evolution of Matter

By Louis Rougier

Pacifying the Jack Rabbit

Fluorescent Bacteria

The Formation of Diamonds

The Stupendous Smallness of our Earth

By Charles Nevers Holmes

Life in a Submarine

Wave Detectors for Wireless

The Oscillation Valve

By J. A. Fleming

Origin of Pyrite

Electric Shock vs. Electric Burns

Superheater Development in American Locomotives

By George L. Bourne

Paraffin and Ambrine in the Treatment of Wounds

The War's Effect on Merchant Shipbuilding—II

The Standard Ship and Momentous Problems of Production

By Homer L. Ferguson

The Cornish Gage

Ferro-Concrete Shipbuilding

Recent Developments and Methods of Construction

Peculiar Properties of Rubber Sponges

French Army Helmet

Solving the Theorem of Pythagoras

The Human Factor

Economy in Bread-Making

Diderot's Encyclopedia

Use of Hydrogen Peroxide in the Brewery

Military Aircraft and their Armament

Tactical Maneuvers and Developments that have Resulted

By Jean Abel Lefranc

Self-Inflicted Injuries among Soldiers

Light Transmission through Telescopes

Early Civilization in America

Acquired Radio-Activity

Triboluminescence

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    December 08, 1917

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