New Machines And Gadgets In Postwar Innovation Drive
The article highlights advances across fields from heavy duty tires with metal wire layers to detect oxygen and hydrogen in gases. It describes portable air samplers, ultraviolet projectors, plastic curtains, perforated adhesive tape, compact condenser microphones, and a laboratory pilot plant of tantalum and Pyrex for heat transfer studies and reaction units.
Television Broadcasting by Short Waves Opens Air Relay Options
Science Service explains that ultra short television waves travel in straight lines, limiting reception to 30 to 50 miles. Relay systems on towers, coaxial cables, and airborne planes or blimps may extend coverage nationwide, with experiments between New York and Boston and Chicago and Milwaukee.
MENTIONED IN THIS ARTICLE
Havana
Buenos Aires
London
Moscow
Earth
New York
Boston
Chicago
Milwaukee
America
New York- Los Angeles
Science Service
Westinghouse
RCA Victor
Junior Scientists Build a Home Made Radio Receiver
A simple one hour project teaches kids to assemble a local stations radio receiver using a cardboard coil, 2000 ohm telephone receivers, a crystal, and a cat whisker tuner. Directions cover wiring aerial and ground leads, attaching clips, and adjusting the tuning coil to hear stations.
Fine Feathers and Scales Give Lepidoptera Their Name
The article explains that butterfly and moth beauty comes from tiny wing scales that shed like dust when insects struggle. These scales form the basis of the scientific name Lepidoptera meaning scale wings, highlighting a key feature of the Lepidoptera family.
Middle-Class Children Neurotic From Obedience Pressure
Middle class children, often only children, are constantly watched by parents and pressured to be obedient. Dr. Arnold W. Green notes such upbringing in the American Sociological Review can foster conflict between home submissiveness and school ambition, increasing neurotic tendency.
MENTIONED IN THIS ARTICLE
Arnold W. Green
University of New Hampshire
Dr. Green
American Sociological Review
Science Service
Alligator Lizards Target Black Widow Spiders
Alligator lizards in southern California feed on black widow spiders and eggs. Dr. Raymond B. Cowles of UCLA warns these lizards may reduce the widow spider population as they hunt in the spiders tracks and crevices. The 12 to 16 inch lizards are harmless to humans, though house cats also prey on them.
MENTIONED IN THIS ARTICLE
California
Raymond B. Cowles
Los Angeles
University of California
Birds Build Duplex Nest In A Double House
Lewis E Potts reports to the American Museum of Natural History that English sparrows and a pair of starlings built a shared two sided nest. The birds argued throughout the month of building but then settled into peaceful neighborliness and freely came and went from either side.
MENTIONED IN THIS ARTICLE
Lewis E. Potts
American Museum of Natural History
Lepers in Brazil Seen No Longer Outcasts
Science Service reports Eunice Weaver of Rio de Janeiro saying leprosy in Brazil matches tuberculosis in the United States as a public health concern. Brazil provides clinics, colonies, and prevention homes with education campaigns, aiming to integrate patients and protect children from infection.
MENTIONED IN THIS ARTICLE
Brazil
United States
Eunice Weaver
Rio de Janeiro
Washington, D. C
Weaver
Ministry of Education
Sao Paulo
Carville
Amazon
Brazilian Federation of Societies For the
Office of Inter-American Affairs
Science Service
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By A. C. Monahan
N St
N. W
Mt. Wilson
Hollywood
Calif
Wll
Pennsylvania
New Jersey
Science Clubs of America
By Science Service
By Christina Buechner