New Gadgets Add Practical Tech to Daily Life
The bulletin previews devices from a lawnmower with dual height and blade clearance controls to night binoculars with wide field vision and a non reflective coating. Other items include a rotating sleeping berth, an electric pig brooder, coin operated heating for hot dogs, a celestial sighting device, a rhomboid snow tractor and a versatile dog sled pull machine. Send a three cent stamp to Gadget Bulletin 301 for more information.
MENTIONED IN THIS ARTICLE
Navy
Science Service
N St
N. W
Washington, D. C
First Flowers Hint at Humble Earliest Blooms
The piece notes that early spring blossoms are alder catkins and skunk cabbages not Johnny jump ups or buttercups. It explains these hardy species rely on wind pollination and have endured for ages, outlasting brighter, buzz pollinated relatives.
Ionospheric forecasts aid overseas shortwave radio
Science Service reports the National Bureau of Standards is refining ionospheric forecasting to warn radio operators of potential shortwave reception issues. Day and night frequency use adapts to season and sun activity, with warnings broadcast via WWV for paths including London Berlin Paris.
MENTIONED IN THIS ARTICLE
London
Stockholm
Moscow
Athens
Tokyo
Lima
National Bureau of Standards
Earth
Interservice Radio Propagation Laboratory
Eas
Ier
North Atlantic
Berlin
Paris
Washington, D. C
Science Service
England
Honolulu
Africa
Chile
Sterling
Fremont Davis
U. S. Naval Observatory
Water Trick Uses Transparent Film To Hold Glass Water
Junior scientists can pour water from a glass believed empty by using a transparent celluloid film sealed to the rim. A full glass is inverted on a tray, water stays in due to surface tension and air pressure. A duplicate empty glass is shown and the film is removed quietly to reveal the trick.
MENTIONED IN THIS ARTICLE
Joseph H. Kraus
Science Clubs of America
Science Servic
Birds Prefer Humid Air, Pheasants Favor Moderate Humidity
University of Illinois researchers Dr. E Shelford and Lenore Martin tested baby pheasants and chicks in a circular cage exposing dry and moist air. They found pheasants prefer around 79 percent humidity while chicks tolerate 77 to 92 percent. time in each cage section indicated their air preference.
MENTIONED IN THIS ARTICLE
E. Shelford
Lenore Martin
University of Illinois
Journal of Wildlife Management
Nut Meats Preservation by Canning or Freezing
Mississippi extension agents advise heating and drying nut meats before packing hot in sterilized pint jars and processing 15 minutes in a boiling water bath or 10 minutes in a steam pressure canner to keep nuts fresh. Oklahoma scientists report two years’ storage in moisture proof freezer containers.
MENTIONED IN THIS ARTICLE
Agriculture Extension
Mississippi
Oklahoma
Food Habits Shift Across Generations in Hawaii
Science Service reports that in Hawaii children adopt new foods faster than elders. Japanese families there eat less rice and more American foods as income rises, while overall meals become quicker to prepare though not always healthier, warned by Masuoka in the American Sociological Review.
MENTIONED IN THIS ARTICLE
Science Service
Hawaii
Chugoku
Kyushu
Jitsuichi Suoka
Fisk University
Japan
Masuoka
Masoka
Also Mentioned on This Page
By Science Service
Moon
Jules Verne
Orson Welles
Equator
Tropics
B. C
Richard A. Martin
Chicago Natural History Museum
Persia
This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!