Feature

British Radar Clocks Invisible Flying Geese

Nazis Used Infra-Red Rays to Detect Fighting Tanks

World’s Oddest Toads

Television “Eye” Sensitive to Candle-Lighted Scenes

In Science Fields

Hospital Gymnastics

Travels 400 Miles an Hour

Nature Ramblings: Costly Exports

Cork-like Porous Plastic for Lining Bottle Caps

Aerial Attacks Evaluated

Books of the Week

Faster Roller Makes Smoother Sheet Glass