New Inventions Spotlighted In Gadget Bulletin 370
A roundup of new products including neoprene broom heads, a versatile plastic serving tray, a six color mechanical pencil with dot coded leads, a tube-less mystery radio dubbed an electronic toy, a camera lens for soft focus, fire resistant folding doors and walls, a theater motion picture screen with glass fiber panels, and a dual rotor flow meter for water. Readers can request Gadget Bulletin 370 by sending a three cent stamp to Science Service in Washington D C.
MENTIONED IN THIS ARTICLE
Science Service
N St
N. W
Washington, D. C
Million Animals Doomed in Foot-and-Mouth Epidemic
Mexico led joint U.S. Mexican effort to eradicate aftosa with quarantine barriers, mass slaughter, and caustic disinfectants. Oscar Flores, Dr. M. S. Shahan, and 70 veterinarians oversee a multi-million dollar battle costing up to 250 million, with mass graves, paymasters, and rapid market slaughter to halt the disease.
MENTIONED IN THIS ARTICLE
Mexico City
Mexico
America
U. S
Tne
U. S. Congress
North American
District of Columbia
United States
Europe
Oscar Flores
Aftosa
Best angle for broad jump found with marble model
Junior Scientists Model shows a tilted cardboard trough with a steel marble to test takeoff angles. By varying wedge size and measuring landing distance on salt sprinkled table, a near 45 degree angle yields maximum range, suggesting optimal balance between height and forward speed for the longest leap.
Touch-Me-Not Impatiens Plants Describe Explosive Seed Pods
Tall juicy-stemmed plants grow on marshy ground in partial shade. Two common species appear, pale yellow and orange-yellow flowers. Disturbing the bushes causes seeds to explosively burst from pods, producing a pattering sound like rain.
Best Time to Cut Roses Says Agriculture Dept
The U S Department of Agriculture advises cutting roses in late afternoon to improve vase life. The reasoning cited is higher carbohydrate content in stems after a sunny day, which helps the flowers stay better longer.
MENTIONED IN THIS ARTICLE
U S. Department of Agriculture
DDT Deforms Dandelion Survivors After Fall Spraying
A Beltsville Maryland plant station spraying of 2 4 D to kill plantains and dandelions left some dandelions alive. These survivors flowered with fasciation producing multiple flower heads and strange stem forms. Images show a fasciated left stem and a right stem with a miniature secondary bloom.
MENTIONED IN THIS ARTICLE
U. S. Plant Industry Station
Beltsville
Collecting Rocks and Minerals Makes Fascinating Hobby
An overview of rocks and minerals for amateur collectors explaining what they reveal about earth history. It covers mineral labeling, proper storage, rock types including igneous sedimentary and metamorphic, and identification tips with examples like granite basalt limestone sandstone slate marble obsidian and lava forms.
MENTIONED IN THIS ARTICLE
Midwest
Hudson
Sciene Service
Also Mentioned on This Page
U. 5
Aftusa
U. S. Army
Mexas Fuot
Bureau of Animal Industry
U. S. Department of Agriculture
Science Clubs of America
Wedge
By Science Service
Usu
Ally
Boutanus
Grace
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!