New Gadgets and Tools Highlighted in Bulletin
A list of new devices includes a window washer attachment for garden hoses, a wind all metal slide rule, a VHF milliwattmeter, a gas temperature indicator for turbines, a modular three piece mattress, a pneumatic hammer with 5000 strokes per minute, a compact shaving stand, and an ultraviolet detector for germicidal lamps. Readers can request Gadget Bulletin 410 from Science Service for more information.
MENTIONED IN THIS ARTICLE
Science Service
N St
N. W
Washington, D. C
Spring Beauty Wild Flower description
The spring beauty is well named and abundant across a wide range. It grows from a deeply buried tuber, making it safe for children to pick in moderation.
Global Climate Testing Halls Aid Military and Trade
Postwar climate chambers at Fort Monmouth and Eglin Field simulate Arctic to tropical weather for aircraft, engines, weapons, and equipment tests. Dry ice and snow methods create snow and blizzards. chambers reach minus 70 Fahrenheit in Florida tests, enabling Arctic, desert, and jungle simulations to cut global shipping and defense costs.
MENTIONED IN THIS ARTICLE
Yukon
Amazon
Eglin Field
Florida
Schaefer
Signal Corps
New Jersey
Air Force
Tropics
Arctic
Sahara
North Pacific
South Pacific
Navy
Dahlgren
Science Service
Army Signal Corps
Vincent J. Schaefer
General Electric
U. S. Air Forces
Fla
Wanderings of 7 000 Stars Recorded by Observatory
Stars near the sun show proper motion measured by the University of Cincinnati Observatory. A second catalog adds observations of 2 300 stars and completes decades long study. Most stars move only a few seconds of arc per century, with nearer stars showing greater motion after corrections for Earth's movement.
MENTIONED IN THIS ARTICLE
University of Cincinnati Observatory
Cincinnati
North Pole
Ohio
Paul Herget
Solar System
Earth
Spring courtship dances of sharp tailed grouse
Science Service notes the annual courtship display of sharp tailed grouse. Only males perform while hens observe as the sun rises and sets. The display includes whirring wings, a cac cac cac call, gobbles, and mechanical like motions with strutting, clicking, and mock combat to impress the hens.
Bernoulli effect explained by junior scientists
A 1948 Science Service piece shows how moving air can pull two model cars together, illustrating Bernoulli's principle. It describes a classroom demonstration using vacuum cleaners or boats in a stream to visualize low pressure where air speeds up, causing objects to approach one another.
MENTIONED IN THIS ARTICLE
Bernoulli
Science Service
Minnesota Scientist Announces Improved Artificial Kidney
Dr. C. R. Holland of the University of Minnesota unveils a compact mechanized kidney that overcomes major flaws in the Kolff design. The device uses a suction pump to support heart action and reduces blood loss, delivering a more dependable hospital kidney with smaller equipment.
MENTIONED IN THIS ARTICLE
Minnesota
C. R. Holland
University of Minnesota
Seeneee
Netherlands
Holland
Dr. Holland
Valuable Oil From Pennycress Seed Could Aid Lubricants
Science Service reports pennycress a common weed in the middle western and western states yields an edible oil similar to rape and mustard oils used in lubricants. Researchers note pennycress oil might be edible and suitable for certain industrial uses.
MENTIONED IN THIS ARTICLE
Science
U. S. Department of Agriculture
Satin bowerbird paints nest interior with fruit juice
The satin bowerbird in Australia builds an elaborate nest and then crushes fruit to smear juice on sticks lining the inside of its bower. Dr. Austin L. Rand of the Chicago Natural History Museum reports this decorative behavior.
MENTIONED IN THIS ARTICLE
Australia
Austin L. Rand
Chicago Natural History Museum
Also Mentioned on This Page
By Science Service
Arctic Circle
Equator
North Alaska
Munca
Great Circle
Chicago
Shanghai
America
Ethiopia
Army
Fort Monmouth
N. J
U. S. Air
Martha G. Morrow
Astronomy
By Joseph H. Kraus
Science Clubs of America
Kolff
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