Details of a German Bomb Sight

Our Search For The Supernatural-II

Did Queen Elizabeth's Spirit Appear?

What Light for Industry?

Relative Freedom from Heat and Glare, Plus Color Control. In Fluorescent Tubes

New Porcelain Insulation

High Mechanical Strength and Electrical Resistance in Die-Pressed Material

Inspection, Timer, and more

Gamma Rays Pierce Steel, Show Defects

A Strange Picture

Chairman of the Department of Astronomy and Director of the Observatory at Princeton University. Research Associate of the Mount Wilson Observatory of the Carnegie Institution of Washington...

Quality in Warplanes

How the British. Out-Numbered in Aircraft, Forced a Change in German Tactics

Speed and Sting--The M. T. B.'s

Motor Torpedo Boats Attain Speed of 60 Knots, Carry Four Torpedoes, Machine Guns

Atom Smashing: Two Methods

Why the Weaker Electrostatic Atom Smasher Thrives Despite the Powerful Cyclotron

Petroleum Research, Home-Idity, and more

Increased 539 Percent in Eleven Years

Human Hibernation

What Today of the Frozen Sleep Therapy for Cancer? Failure, or Success?

Like Humans

Bacteria Have Their Own Periods of Weakness

Electrical Gold Mining

Giant Dredge and Gold Recovery Plant Are Gleaning Gold Near Famous Comstock Lode

Pulling the Wool off Your Eyes

"New Federal Law" Defines Wool, Sets Up Standards for Labeling Fabrics Honestly

Lubricant Washes the Engine

Designed for Heavy-Duty Gasoline and Diesel Engines, New Oil has Detergent Properties

Spray Poison, Aniseikonia, and more

Kills Codling Moth Worms, Spares Bees

Supercharging the Pilot

Aeroembolism Prevented by Pre-Flight Administration of Oxygen

Plane Location, Plane Conversion, and more

Triangulation-Plus Spots Transports