Volume 160, Issue 1
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Features
Plants by Liquid Culture
Fascinating Science for Amateur or Commercial Grower, Practical Details, Formulas, Specific Instructions, Suggestions, Window-sill Culture
Radium Hounds
Devices that Bay on the Trail of Lost Particles of a Dangerous Element, When a Pig Ate Radium, An Elephant Easier to Hide Than Stolen Radium
The Conquest of the Dead Sea
Palestine's Biblical Lake, Containing Sufficient Potash and Other Chemicals to Supply the World for 2000 Years, is Now Being Actively Exploited
More than One Man's Fun
The Image-Slicer
A New Apparatus Used with the Spectroscope Cuts Star-Images into Sections, Rearranges these End to End, and Multiplies the Efficiency Very Greatly
Everything Flows
Industry is Finding Many Practical Applications of Science's Studies of the Flow Phenomena of Apparently Solid Matter as Well as of the Liquids
Mineral Waste Reduced
Conservation Progress, Agriculture, Industry Benefit, Miners Profit by Former Wastes, Greater National Security in Strategic Minerals
Tales the Bullet Tells
FBI Experts Co-operate with Local Officers, Apply Laboratory Science to Study of Evidence, Give Full Reports, Attend Local Trials
Steel in the Theme
New York World's Fair Theme Center, Perisphere and Trylon, Design and Construction Presented Unusual Engineering Problems, Unique Structures