Slender, Speedy, Scrappy

Destroyers Are Highly Important Factors in Naval Warfare

Day After Tomorrow

How the War-Time Workings of a Variety of Industries Will be Reflected in Peace-Time Operations

Cork Substitute, War Plants, and more

Cometary Tails

Added Light on an Old Perplexity: The Force Which Drives the Gases from the Nuclei

Refrigeration for Insanity

Hibernation at Lowered Temperatures Promises Value as a Treatment . . . Delayed by the War

Better Tests, Electrocution, and more

Future Sources of Power

A Systematic Survey and Evaluation of All the Power Sources at Present Known to Science

Free Electrons

Fluorescent Lighting Stretches Out

Cold-Cathode Tubes, Operated at High Potentials, Have Interesting Applications for Many Uses

Glass, Lightning Charted, and more

Destruction Tests, Throw-Aways, and more

The Mighty Mars

Huge Cargo Planes Will Play a Leading Role In After-the-War World Economic Developments

Plane Range, Jap Engines