Volume 147, Issue 5
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Features
Gold From Goldfish
Star Colors and Star Temperatures
The Business Man Takes Wings
Speed, Safety, and Comfort Are the Key-Words that Open the Way to Modern Air Transportation for the Man to Whom 'Time is Money'
New Light on Sasanian Culture
Concrete Bridge Makes New Record
Is Space Curved?
Looking at Stresses
Complex Stresses in Engineering Structures Made Directly Visible by a New Method