"We Defend what we Build"

Seabees, the Fighting Technicians of Our Navy

Salvaging Light

How More Light May Be Supplied to Industrial Workers Without Increasing Current Consumed

Regimenting Atoms, Steel Making, and more

In Search for Better Transformer Cores; Receives Electronic Science With Open Arms

Two New Discoveries

A New Star, 100,000 Times as Bright as the Sun; and an Old Cometary Puzzle Solved

Celestial Navigation

A Specimen of the Kind of Studies which the Youth of the Marine and Air Services are now Pursuing

Something That's Getting Better

Not Wars, not Taxes, but Public Health. Summarized Improvements of a Quarter Century are Startling

Prognostication, Stuttering, and more

Modern Living Will Make Us a Myopic Nation; Believed a Case of "Mind-and-Body;" Hands Unimportant in Spread of 'Flu

'Commercial Sound' Enlists

The Microphone and the Loudspeaker Join in the War Effort to Increase Efficiency of Operations

Heads, Salt, and more

Rapid Plating, Timber Trusses, and more

Possible With New High-Amperage Brush Unit; Used in Construction of Pre-Fabricated Plant; Used With Water As Vehicle; Provides Many Items for Specialized Purposes; Now Available For Structural Testing...

Freight Planes

Future Cargo-Carriers of the Air May Supplement, But are Unlikely to Supplant Surface Transportation

Zero Truth, Wartime Propellers, and more

Is Not so Alarming as Early Reports Indicated; Are Blacked Out by Conveyor Painting Process; Pioneer Parachutist Writes a Manual