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Features

The Hudson River Vehicular Tunnel

A Big Problem of Ventilation, Requiring Nearly Four Million Cubic Feet 0 Fresh Air Per Minute

By J. Bernard Walker

The Invention of Human Speech

Articulation and Phonation Have Been Combined to Form a Ready Means of Thought Transference Fellow of the Physical Society of London. Fellow of the Institute of Physics (England)

By Richard Paget Bart

Flyer Equipped for High-Altitude Work

Odd Stars

The Search for Exceptional Stars--Some Unusually Bright, Some Exceptionally Faint, Others Very Rapid--Forms an Intriguing Specialty for the Modern Astrophysicist

By Henry Norris Russell

Specimens from the Telepathic Mine

There Is a Mine of Interesting Evidence Tending To Establish the Genuineness Of Thought Transference

By Walter Franklin Prince

The June 29th Solar Eclipse in England

A Frenchman's Motor Caravan, a Home on Wheels

Power Plant to Generate 1,000,000 Kilowatts

Ice that Melts to a Gas

As A Refrigerant, Solid Carbon Dioxide Offers Many Advantages To Various Industries

By D. H. Killeffer

Building an Airport With Dredges

Sleepy Sickness

Epidemic Encephalitis, or Sleepy Sickness, is Apparently a New Disease Whose Unknown Cause is Being Sought by Science

By Simon Flexner

Why Fly Without Radio?

When Lost at Sea, a Crippled Plane Without Wireless Has as Much Chance as a Mouse Among Cats

By Orrin E. Dunlap

Sloop Versus Schooner

Dawn-Man or Ape?

Was Our Ancestor a Dawn-Man, or Did We Descend Directly From an Anthropoid Ape of an Ancient Geologic Epoch?

By William K. Gregory

Extracting Snake Venom for Use in Serums

Sounds Recorded on "Movie" Film

New Process Opens Wide Field for the Production of Satisfactory Talking Motion Pictures

By A. P. Peck

World's Largest Artificial Lake

The New Martin Dam in Alabama Provides 530 Billion Gallons for Hydro-Electric Power Development

The City of the Future

Proper Design of Highways, Buildings and Sidewalks Will Reduce City Congestion to a Comfortable Level

By Ernest Flagg

Successful Inventors---IX

The Ultimate Use of an Invented Article is What Counts, Say Two Partner-Inventors

By Milton Wright

The Most Fascinating Spot on Earth--III

The Composite Iron Mass Beneath Meteor Crater Is Believed to Be About 500 Feet in Diameter

By D. Moreau Barringer

What Determines Rowing Speed?

Tests in Specially Constructed Tanks Have Revealed Some Interesting Data Relative to Work Performed by Oarsmen

By Lewis Hobart Kenney

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

Applied Science for the Amateur, September 1927

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

By A. P. Peck

Departments

  • Departments

    Our Point of View, September 1927

  • The Month in Medical Science, September 1927

  • Inventions New and Interesting, September 1927

  • Household Inventions, September 1927

  • The Scientific American Digest, September 1927

  • Learning to Use Our Wings, September 1927

  • Radio Notes, September 1927

  • Industries from Atoms, September 1927

  • The Heavens in September 1927

  • In the Editor's Mail, September 1927

  • Patents Recently Issued, September 1927

  • Commercial Property News, September 1927

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September 1927

Reanimate Your Brain

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