Ancient Mayan Astronomy
When Most of Our Ancestors Were Untutored Barbarians, the Mayan Priest-Astronomers Had Developed Their Science to a Mathematical Precision
Features
Crash!
A Veteran Aviator's Impressions After Cheating Death Several Times in Airplane Accidents
How Do the Life Processes Work
By Means of the New Micro-manipulator Scientists are Trying to Pry Into the Secrets of Protoplasm, the Living Substance--An Example of the Inestimable Value of Research
From the Scrap-book of Science-
Camera Shots of Scientific Events
Marconi Smiles on America
The Inventor of Wireless Comes Across the Sea to Marvel at Radio and to See His Dreams of 1890 Surpassed
A Scientific Ghost Laid
Fully Investigated, the Supposed Element Nebulium Turns Out to be Nothing but Common Everyday Air
Successful Inventors --XIII
Can It Be Sold That Is the Test, Says an Inventor Who Made His Fortune
Cricket Champions of China
Passion of the Chinese for Insect Musicians and Fighters Is Age-old and Unceasing
Underground Canal an Engineering Feat
Sea Trip from Mouth of Rhone to City of Marseilles Eliminated by Canal Tunnel
The Atmosphere
What's In It
Plate Glass by the Mile
Future Light
Although the Life and Work of Modern Man is Infinitely Better Lighted than it was in the Days of His Ancestors, We are Only at the Threshold of a Still Greater Expansion in ArtificiaI Illumination...
Will the Steam Automobile Return
Success of Recent Tests Renews Interest in Steam as Motive Power for Automobiles
Tropical Telescope Making
A Professional Astronomer on the Island of Jamaica Takes Up An Amateur Art Fostered by the Scientific American
The Origin of Cork Products
The Red Hill Artifacts
New Archeological Discoveries Made in Texas by a Scientific American Reader Point to the Recently Revived Query: How Ancient Is Man in America
"Mountain Climbing" by Air Cable
A New Enterprise Affords Access to High Regions With None of the Accompanying Hardships of a Treacherous Ascent
"Pay-As-You-Use-It"
Automatic Metering of Telephone Calls Proves Equable Method of Computing Charges
A Simulated "Aura", An Indoor Tractor Model Plane and more
A Department Devoted to the Presentation of Useful Ideas. Material of Value to All Will Be Found Here
Departments
- Departments
Our Point of View, January 1928
A New Automatic Blood Pressure Instrument, Disease of the Joints and more
Typewriter Copy Guide, Bird Bath Lawn Sprinkler and more
Washing Bench, Bottle Cork with Spray Nozzile and more
Roller Bearings End Jerking to Start Trains, Is the January Thaw a Scientific Fact and more
Spring Safety Stick, "Time of Flight" Clock and more
High Speed Attained by Marconi Beam, Battery Receivers can be Electrified and more
A New Lead Hazard, Wood Pulp Shot from Guns and more
The Heavens in January 1928
Partners Make Telescope, Speaking of the Weather and more
Bringing Inventors and Manufacturers Together, Mere Substitution is not Invention, and more
