New Machines And Gadgets
A roundup of patented devices including a waterproof hosiery protector for shoes a repair disk for damaged recordings a vinylite sketching board a heating device for canned foods an electric roof heating cable a milk bottle holder a liquid cooled beer keg and a Navy parachute pack. Readers can request Gadget Bulletin 437 from Science Service with a 3 cent stamp.
MENTIONED IN THIS ARTICLE
Science Service
N St
N. W
Washington, D. C
Brief Blossoming Day Flower Described as Inconspicuous Weed
A widely introduced foreign plant, the day flower, is noted as inconspicuous and easily overlooked. Its short lived blossoms open in the morning and fade by night, appearing year round in green and bloom even through winter in some regions.
Campaign psychology and voter behavior in the 1948 election
A science service analysis explains that campaigning mainly stiffens existing support rather than swapping large numbers of votes. Voters rely on personal influences, family and friends, and the candidate’s personality, with uncertainty centered among independent voters. Economic mood and world events can shift outcomes, while bandwagon appeal helps the winner gain stability post election.
MENTIONED IN THIS ARTICLE
America
Louis H. Bean
U. S. Department of Agriculture
Midwest
Dr. Bean
Knopf
Junior Scientists Dialysis with Collodion Membranes Demonstrated
A hands on explanation of dialysis using collodion membranes shows sugar sinking then rising in beverages as dialyzed liquid passes through a skin like film. Experiments cover membrane prep true solutions and colloids testing with inks and dyes for separation and purification potential.
Ancient Babylonians Kept Wages and Math on Clay Tablets
Ancient Babylonian tablets reveal eight hour wage tables for canal work and notes on dimensions and manpower. They show engineers relying on slaves to carry such handbooks, plus early decimal accuracy and early number theory concepts predating 1600 B.C.
MENTIONED IN THIS ARTICLE
Babylon
O. Neugebauer
Brown University
A. Sachs
Nutrition survey finds low household knowledge
The U S Department of Agriculture survey in Richmond Virginia shows only four percent of housewives have adequate nutrition knowledge. About half know little or nothing, while about three out of four express interest in more information.
MENTIONED IN THIS ARTICLE
U. S. Department of Agriculture
Richmond
Ultraviolet Phase Microscope Sharpens Cell Images
Researchers A H Bennett D L Woemley and A J Kavanagh of the Scientific Instruments Division American Optical Company Buffalo announce ultraviolet phase microscopy extends into near infrared enhancing details in skin and mouth cells. The instrument uses a broad ultraviolet filter and UV selective photographic film for clearer images.
MENTIONED IN THIS ARTICLE
A. H. Bennett
D. L. Woemley
A. J. Kavanagh
Scientific Instruments Division
American Optical Company
Buffalo
N.Y
The
Optical Society of America
Beavers Carry Combs On Their Feet
Yellowstone visitors observe beaver behavior and a unique adaptation. The beaver’s second toe bears a split double nail forming a comb used to groom fur and remove lice. Zoologists term the feature combing claws and loose catching claws with possible toothpick use.
MENTIONED IN THIS ARTICLE
Yellowstone National Park
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