Features
Blimps and Modern Warfare
Neglected Type Used Successfully in World War, Potentialities for Scouting, Patrol, Convoy Work, New Bill Calls for Several Dozen
Who was Shakespeare?
Reader Response to X-ray Revelations of Identity of Shakespeare, Published in January Number, Presenting Further Evidence from Other X-rays
Treasure in East Anglia
A Buried Anglo-Saxon Ship, Riches in Refined Gold and Silver Work, A Surprise to Archaeologists and Historians, Unearthed in England
Don't Worry--it Can't Happen
Packaged by Science
Railroadbed Highway
Super-Highway Across Pennsylvania Follows Old Railroad, Original Tunnels Utilized, No Sharp Curves, No Steep Grades, Speed With Safety....
Even the Earth Errs
Man's Most Accurate Clock is the Rotating Earth but the Earth Goes Fast and Slow ... Science Must Keep Eternal Watch on its Subtle Changes
Man's Earthly Future
The Earth's Natural Resources Should Suffice for Another Thousand Years of Civilization, The Outlook for Man is Far From Pessimistic
Fish Hooks of New Alloy
Employee Health Pays Dividends
Dusts, Fumes, Chemicals , Cause Worker illness, Concerted Drive Against Such Hazards, Preventive Measures Also Against All Sickness
Television Relayed
Makes Possible Network Systems, Test Operation Shows Feasibility, Uses Directional Transmission of High Frequencies, New Tubes
Rail Fissures Give up Secrets
Making Tissues Ageless
Experiments on Tissue Cultures and on Portions of Plants, Suggest Promise of Artificial, Earthly Immortality, Direct Bearing on Medicine
Glycerine from Petroleum, Electrostatic Iron Ore Separator, and more
Departments
50 Years Ago, May 1940
- From the Editor
Our Point of View, May 1940
- Recommended
Our Book Corner, May 1940
- Departments
Personalities in Science, May 1940
Camera Angles, May 1940
Telescoptics, May 1940
Curret Bulletin Briefs, May 1940
Legal High-Lights, May 1940