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Features

Head Hunters of Burma

How England, at Considerable Cost and Peril, is Obtaining the Freedom of Thousands of Slaves from the Tribes in the Naga Hills

By Harold J. Shepstone

Muscles Built the Pyramids

Human Muscles are More Efficient than the Best Steam Engines. An Electrical Theory of Muscular Action

By Paul R. Heyl

Motor-bus Transportation De Luxe

Luxurious Appointments Contribute to Traveler's Comfort

World Events from Flashing Sign

"How do they Know"

When Astronomers Talk of Galaxies of Stars 60,000,000,000,000,000,000 or More Miles Distant, How Have They Arrived at Such Stupendous Figures?

By Henry Norris Russell

Evolution of the Human Eye

Will Man Eventually Lose One Eye A Cyclopean Race is Predicted by One Scientist?

By W. E. Bailey

Safety at Sea

American Ship "Malolo" Survives Terrific Collision

Nobility at Work

How Some of the "Noble" Gases Are Finding Valuable Applications in Industry

Building for the Ages

Built of Large-Size Stone, Bedded in Cement Mortar, St. John's Cathedral Should Be As Lasting As the Pyramids

By J. Bernard Walker

Successful Inventors--XI

How a Piece a of String, Plus a Paper Bag and an Idea, Equaled a Nation-Wide Business

By Milton Wright

Conservation or Extinction?

How Two Creatures, Living at the Earth's Antipodes, Were Blotted Out of Existence by Human Greed

By Leon Augustus Hausman

A Monumental Bridge

New York Will Soon Possess Another "World's Greatest" in the 3500-foot Suspension Bridge Across the Hudson River

A Simple Study in Optics

By Russell W. Porter

Recording the Soul of Piano Playing

What is New in Radio

Manufacturers Turn to the Light-Socket Receiver—Many Improved Devices

By Orrin E. Dunlap Jr.

Life-boats Made Safer

Dutch Patents Cover New Type of Construction

New Lights for Old

A Little Light on a Dark Subject

By H. Austin Taylor

On the Trail of the Molecule—II

What Makes Some Chimneys "Draw" Poorly, Boomerangs Soar, Rotor Ships Move and Golf Balls Curve? "Bernoulli's Principle" Explains It

By S. R. Williams

From the Scrap-book of Science--Camera Shots of Scientific Events, November 1927

Culinary Inventions

Novelties for Preparing and Serving Foods

By Albert A. Hopkins

Industries from Atoms, November 1927

A Department Devoted to the Advancements Made in Industrial and Experimental Chemistry

By D. H. Killeffer

Applied Science for the Amateur, November 1927

A Department Devoted To the Presentation of Useful Ideas, Material of Value To All Will Be Found Here

By A. P. Peck

Departments

  • The Month in Medical Science, November 1927

  • Strays from the Ether

  • Departments

    Our Point of View, November 1927

  • Inventions New and Interesting, November 1927

  • The Scientific American Digest, November 1927

  • Learning to Use Our Wings, November 1927

  • In the Editor's Mail

  • The Heavens in November 1927

  • Commercial Property News, November 1927

  • Patents Recently Issued, November 1927

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November 1927

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