Feature

New Air Corps Bombers Rated at near 400 M.P.H.

Mechanical Model Shows How Electric Waves “Look”

Hitler Must Deal with New Racial Problems

Wing of Stratoliner Same as Flying Fortress

In Science Fields

Unique Sailing Ship Will Cruise Seas for Science

Solve Math Problem of Egyptian Workmen

Color Blindness May Be in Mind as Well as Eyes

Fate of King Solomon’s Gold May Be Revealed in Find

Whey Product Makes Cloth Resistant to Poison Gas

Front Matter

Fifth Dimension Is New Realm Entered by Professor Einstein