Troglodytes of the Desert
Mysterious Tribes of Northern Africa Live in Great Circular Wells' Others Burrow into Rocky Hills, Carving out Spacious and Comfortable Dwellings
Volume 137, Issue 4
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Features
Mikimoto and the Culture Pearl
Culture Pearls Show no Difference in Color, Form or Substance from the Native Pearl. How the Japanese Pearl King Grows them by the Millions
A Modern Man-Made Cave
New Radio Aid to Aircraft Pilots
Placing Staten Island on the Map
Building Three Bridges that will end the Isolation of an Important Section of New York City.
On the Trail of the Molecule--I
A Number of most Interesting Experiments in Physics which may be Tried by the Amateur Scientist
Four Sunless Worlds
Jupiter, Saturn, Uranus and Neptune, Once thought to be hot, are so deeply Shrouded with Extremely Frigid Clouds that their Surface Temperatures Remain Unknown
The Month in Medical Science, October 1927
A Review and Commentary on Progress in the Medical and Surgical Field
Cold Light
How do Fireflies Emit Light without emitting heat?
In the Workshop of the Scientists
A Radio Pioneer Steps Onward
Should Listeners Welcome or Fear KDKA's New Transmission System?
Out of the Silence Comes a Voice
Africa
The Impressions of a Modern Woman, after two years spent among the Natives in the Jungle
Successful Inventors---X
A College Professor Solves a Mathematical Problem and Becomes a Wealthy Inventor
400,000,000 Horsepower!
This is the Aggregate Power Developed by Automobiles Tests on 250 cars show some interesting results
Piano Instruction Aided Electrically
The City of the Future---II
Revision of Building Regulations Would Increase Greatly the Utility of Large Buildings
Speeding up the Moffat Tunnel
New Cantilever Beam Cuts Time in Half, Saves Labor Costs, and Prevents Disastrous Slides
From the Scrap-book of Science
Outward Bound on the "Ile de France"
Applied Science for the Amateur, October 1927
A Department devoted to the Presentation of Useful ideas Material of Value to all will be found here