"Tea Kettles" that Salvage Valuable Metals

Builders for the Army

The Engineers Pull 'Em Up, Then Tear 'Em Down

British Ingenuity, Anti-Aircraft

Foreign Correspondent Tells Of War Aids

Physics Scores an Assist

The Particle Detector, Teamed Up with the Cyclotron, Gives Medicine a Powerful Tool

Thin Films

Find Varied Applications In Scientific Research

Make-up for Better Seeing

Studies Show that Safety can be Increased, Production Speeded, Workers Made Happier

Sorter, Scrap Shortage, and more

For Metal Parts of Like Appearance

Who Threw Them?

Dunninger Plays the Role of Poltergeist By Dexterous Digital Manipulation

93,000,000 Miles

After a Decade of Laborious Calculations, the Sun's Distance is Slightly Corrected

Insulating "Blackout" Plants

Windowless Bomber Factories Will Contain More Glass Than "Daylight" Structures

Just What is Insanity?

Essentially it is Simply a Lack of Proper Adjustment to Environment and Society

Vitallium, Burns

Plates Used to Repair Skull Defects

How to Make a Mastodon

Students of Paleontology Reconstruct a Model of Amebelodon from Fossils

"Crazy Drivers," Timber, and more

May Actually Be Insane

Cool Welding, Markers, and more

Refrigerated Points Last Longer, Weld Better

Autogiros Against Submarines

Convoy Duty Requires the Services of Aircraft With Peculiar Qualities for the Job in Hand

Balloons, Air Safety, and more

Factors in Design of these Effective Defenses