X-Ray Photographs in a Millionth of a Second

"Pop-Gas" Aids War Drive

Harmless Vapor Balks Saboteurs, Saves War Plants

Plane Detector, Blackout Bulbs

Cement Aids Oil Production

Deep Oil Wells are Controlled and Conserved by Application of High-Speed Cementing Process

Rotating Galaxies

That the Spiral Nebulae Rotate is Now Beyond a Doubt. Our Own is Not Much Larger than Others

Rubber Facts That Don't Stretch

A Systematic Survey of Minor Emergency Sources of Natural Rubber in the United States

From the Ground Up

Our Chemical Industry Had the War Time Advantage of Starting Practically from Scratch

To Replace Copper, Eyes of Defense, and more

Harnessing the Sun

Research on the Practical Problem of Power and Heat from the Sun A Progress Report from M. I. T.

Funnels, Refrigerated, and more

Sugar, Beware of Cadmium, and more

Clean?, Sand Blasting, and more

Airport Capacity

Post-War Possibilities

Extensive Growth Forecast in Employment, in Both Manufacturing and Service Branches of Aviation