New Gadgets Debut In Science Service Gadget Bulletin
A roundup of new devices includes a push button door handle with automatic relock, a steam ironing attachment for flatirons, a portable dishwasher for small families, a sealed beam bicycle headlight, a molecular weight meter using freezing point, an instant-start steam cleaner for auto service, a candy on a stick plastic handle, and a calcium chloride moisture absorber unit for damp spaces. Readers can request Gadget Bulletin 472 by mailing a three cent stamp.
MENTIONED IN THIS ARTICLE
Science Service
N St
N W
Washington, D. C
Transonic Ultrasonic Terms Explained in Science Note
This science note defines transonic as speeds around 90 to 120 percent of sound, with sonic speeds near 760 mph at sea level. It explains that ultrasonic refers to very high frequency sound waves beyond human hearing and lists uses like metal flaw testing, bacteria killing, and smoke elimination.
Unbreakable Plastic Dishes Float in Dishwater
The article explains polyethylene as a versatile, inert plastic that floats in soapy water, resists most solvents, and can be formed into thin films, bottles, pipes, and woven fabrics. It covers production history, uses from packaging to metal coating, and its physical properties like flexibility, transparency, and various molecular weights.
MENTIONED IN THIS ARTICLE
United States
Atomic Energy Plants
Polyethylene Kit Offered By Science Service
A kit assembled by the newspapers Science Service includes a bouncing measuring cup with air and liquid tight cover, in 1 112 and 2 ounce sizes. Samples of polyethylene resin tubing coated papers cloth and woven fabric plus explanatory material are sent for 50 cents to Science Service 1719 N Street NW Washington DC.
MENTIONED IN THIS ARTICLE
Science Service
N Street
N. W
Washington, D. C
You Can Do It Replace Broken Shingles
A home science note explains replacing a few broken roof shingles without tearing the roof. It describes making a nail cutter from a tire iron and a chicken ladder, using a rope or hooks for footing, and steps to remove old nails and fit a new shingle with basic hand tools and careful hammer work.
MENTIONED IN THIS ARTICLE
Science Service
The Pine Tree as Symbol of American Honor
The article notes that before the eagle, the pine tree served as a symbol of American honor. Massachusetts used a white pine on its flag and coinage with the motto An Appeal to Heaven. It discusses the tree’s historical importance to New England and warns of its decline due to deforestation and white pine blister rust.
MENTIONED IN THIS ARTICLE
England
Canada
United States
Continental Congress
Massachusetts
Bunker Hill
New England
Massachusetts Bay Colony
Science Service
Reading Improvement Lab Trains Air Force Officers
Military researchers adapt wartime rapid recognition methods to speed reading for officers including generals. Using ophthalmoscope eye tracings and tachistoscope flashes, readers expand visual span from five to nine digits, then apply faster pace to everyday pages under Buswell rate control.
MENTIONED IN THIS ARTICLE
Pentagon
Marjorie van DE Water
Air Force
B. E. Prater
Samuel Renshaw
Ohio State University
Guy T. Buswell
University of Chicago
Science Service
Also Mentioned on This Page
By Science Service
Martha G. Morrow
Bakelite
duPont
Joseph H. Kraus
Science Service Home Science
Asoo
Reading Improvement Laboratory
Kenneth P. McNaughton
Thomas J. Smith
Fremont Davis
Nature
Frank Jhon
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