Long Range Defense

Inventions Win Wars

Suggested Developments, To Detect, Defeat Warplanes, Submarines, Humanitarian Aspects, Physical Principles Which Inventors Must Follow

Seismographing for Oil

History in a Bog

Forest Managers Beginning to Use a Method of Long-range Climatic Prediction, Based on the Study of Fossil Pollen Grains with Microscopes

What Causes Magnetic Storms?

Not Sun-Spots but Gases Erupted from the Sun and Traveling to Earth at Times of Solar Turmoil, Sun-Spots May but Need Not Accompany This

Tantalum--New Old Metal

Unsurpassed In Many Uses, Especially Chemical Equipment, Has Passivity of Glass, Strength of Steel, Hard Tools Made by Powder Metallurgy

What is Death?

Science May Know When it Learns What Life Is, No Surgeon Ever Brought a Dead Patient Back to Life, We Do Not Die All Over, All at Once

Marvels of the Night

Striking Natural Phenomena, The Aurora, Zodiacal Light, and Bizarre Types of Lunar Halos

Foods X-Rayed

To Reveal Presence of Foreign Objects, Some Impurities, Also Condition of Products, Fruits, Fluoroscopic Inspection Widely Used

A Big Gun of Science

The Brasch and Lange Apparatus, Old-timer in Splitting the Atomic Nucleus, Faces a Revival with Improvements in Generating Artificial Lightning

For Better Roads

Extensive Studies of Present Highways, Visibility, Grades, Curves, Traffic Quantity, Quality, Speed, Data Aid Future Planning

Goethe Link Observatory

Built, With Its 36-Inch Telescope, by Amateur Astronomers of Indianapolis, Financed by Local Enlightenment, Presented to Science

Ghost Forests

Insects, Number One Forest Enemy, Make Ghosts of a Vast Number of Trees, Bark Beetle Heads the List, Other Insects, Man Combat the Pest

Indian Arrow Poison for Arthritis, Mental Disease, Enamels for Plastics, and more