Blowing Bubbles to Solve New Secrets of Airplanes
Scientists at the United States Bureau of Standards study soap bubbles as engines without bearings or pistons. Photographic records in a tessure chamber measure engine-like behavior, fuel disassociation, and combustion products to advance internal combustion research.
MENTIONED IN THIS ARTICLE
United States Bureau of Standards
Bureau of Standards
Popular Mechanics
Paul R. Heyl
Shampoo Shield Aims To Prevent Soap Splash In Eyes
A transparent celluloid mask with rubber edges called a shampoo shield protects eyes from soapy water during shampooing. The device fits snugly with head taps and keeps eyes dry. The article also notes rapid bubble bursting under high-speed photography and colorful reflections on bubble surfaces observed in experiments.
Portable street crossing bridge by Bingham and Le Maire
A portable two-section street crossing bridge designed to span congestion is described. Each half is on wheels with an engine and steering wheel, meeting in the middle to create a safe overhead crossing for pedestrians while wheeled traffic passes below. The piece explains mechanics, lifting, and alignment for a continuous bridge surface over a street.
MENTIONED IN THIS ARTICLE
New York
Sidney H. Bingham
Arthur C. le Maire
Inventions for amusement and travel by Curtisa Pendleton
New Inventions CAPTABLE for children combines a seesaw with a rocking chair by Curtisa Pendleton of Port Alberni BC. A sliding plank and rear arms form a front extending seat, letting a child sit on the seat-board with weight balancing. Also Mary R H Wilson of Alexandria LA debuts a hinged corrugated aluminum cap for Marcel waves with air holes for cooling. Golden A Hillstrom of Chicago unveils a car boat carrier using inverted U cross-bars braced to secure a boat above the automobile roof.
MENTIONED IN THIS ARTICLE
Curtisa Pendleton
Port Alberni
British Columbia
Mary R. H. Wilson
Alexandria
Chicago
Golden A. Hillstrom
Birds and Dogs That Can Talk Says Science Probes Speech
The piece notes animals may recognize words and voices, citing a Columbia University language researcher who trained a finch to mimic 800 words with a 14 second morning vocalization, plus dogs that respond to names and convey signals. It contrasts ape limits and mentions ear massage therapies for residual hearing and related scientific ideas.
MENTIONED IN THIS ARTICLE
Popular Science Monthly
Warren MacDougall
William M. Patterson
Columbia University
Patterson
Flash
Karl T. Waugh
University of Southern California
International Congress For Psychical Research
Paris
Wilhelm Neumann
Rolf
Karl Krall
Robert M. Yerkes
Department of
Psychology
Yale University
Scientific American
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EALTH
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Calif
District of Columbia
Japan
West
New England
New Jersey
Delaware
Hygeia
P. G. Nutting
United States Geological Survey
Amon
Illinois Department O:earth
Reich