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Features

Saving the Motorist from Himself

Conditions Which Have Led to Fourteen Percent of the Motor Car Deaths

By H. W. Slauson

Matter, Ether and Energy

Can Atoms and Electrons Be Destroyed and Is Matter a Form of Ether?

By Sir Oliver Lodge

The Skin Game

In the Great Fur Masquerade, Muskrats, Rabbits and Weasels Pretend They Are Seals, Beavers and Ermines

By Milton Wright

"Spirit Return"

"I approve of your suggestion to retain the envelope unopened and I continue the offer of $500 to any one who wishes to try further—until November 1, 1925."

By J. Allen Gilbert

Plumbing the Depths of Neptune's Secrets

Fables of the Sargasso Under the Acid Test of Science

By Albert A. Hopkins

Remarkable New Tests Favor the Einstein Theory

By Henry Norris Russell

How the True Cattalo is Bred

Contact and Refueling Now Accomplished in the Air

By Major H. H. Arnold

A Record of Achievement

By William I. Wyman

Radio at the North Pole

MacMillan Expedition to Test Effect of Aurora Borealis on Short Wavelengths

By Orrin E. Dunlap Jr.

How Explosive are Explosives?

Special Technicians Test the Sensitiveness, Stability, Power and Rate of Explosion of the Many Kinds of Explosives by Scientific Methods

By G. A. Rankin

Chemistry in World Affairs--II

By H. E. Howe

Daylight, Twilight and Mist in the Movies

By Edward Ellington

Another Side of the 5-5-3 Argument

An Article by Captain Dudley W. Knox, U.S.N. (Ret.) Reproduced as It Comes to Us

By Dudley W. Knox

The Delaware River Bridge

Connecting Philadelphia and Camden by the World's Longest Suspension Bridge

By J. Bernard Walker

The Centenary of the Railroad

Railroads in 1925 Will Celebrate Their One Hundredth Birthday

By Francis Dickie

Mammals Almost as Small as Insects

Habits and Characteristics of the Tiny Shrew, a Creature Which Is Little Known Because of Its Semi-subterranean Habits

By S. F. Aaron

From the Scrap-book of Science--Camera Shots of Scientific Happenings

Fish from Artesian Wells in the Sahara

By Robert L. Duffus

The Mountains Light a City

Seattle's Ambitious River Power Development

By Thomas R. Horner

News for Inventors

A Department of Facts and Notes of Interest to Patentees and to Owners of Patent and Trademark Rights

By Milton Wright

Engine Balance

The Conclusion of Professor Cormac's Discussion of Counterbalance

By P. Cormac

Departments

  • Departments

    Our Point of View, August 1925

  • Inventions New and Interesting, August 1925

  • Recently Patented Inventions, August 1925

  • The Scientific American Digest, August 1925

  • Learning to Use Our Wings, August 1925

  • In The Editor's Mail

  • The Heavens in August 1925

  • Science and Money, August 1925

  • Radio Notes, August 1925

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August 1925

Think Outside the Gift Box