Why the Moon Does Not Eat Clouds Debunking a Weather Myth
The Literary Digest notes a belief that moonlight causes clouds to vanish. Science Service explains that when the sun is gone, clouds heat less than they lose, become denser, sink, warm by compression, and eventually evaporate. This cooling and sinking reduces humidity, drying the air and dispersing clouds.
MENTIONED IN THIS ARTICLE
Detroit News
Literary Digest
Charles Witzingh Talman
Science Service
Washington
Sunspots Linked to Crime Waves According to Russian Study
A Russian scientist asserts sunspots influence human behavior by generating magnetic disturbances and altering emotional and volitional centers. Crime responsibility supposedly falls as the sunspot activity nears its peak.
How to Test Linen for Real Linen Authenticity
The passage explains tests to distinguish real linen from substitutes. A single thread is wetted and tautened. when dried it revolves anticlockwise to confirm linen. If the thread revolves clockwise it is not linen. A second test uses water drops. quick absorption indicates linen.
How Pearls Are Formed
Pearl formation begins when a foreign particle irritates the oyster or mollusk between the mantle and shell. An additional pearl substance is secreted around the irritant, creating roughness or projections that become free and eventually spherical pearls.
Why Water Evaporates
The Bureau of Standards notes that air saturated with water vapor is lighter than dry air at the same temperature because water vapor is lighter than air. When water evaporates, a given quantity disperses through a large volume, making the resulting vapor lighter than a mass of air with the same volume and pressure.
MENTIONED IN THIS ARTICLE
Bureau of Standards
Also Mentioned on This Page
S. Hulstein
North Sioux Center
Carmel
Poland
China
McCormick
John Deere
McDonald
Emerson
J. D
Janesville
Hayes
Dempster
DELCO
Tony Hulstein
Ramaker & DE Vries
First National Bank
Sioux Center
Red Weysy Steelees
U. S
Farmers Lumber Company
Rock Valley, Iowa
Kersbergen
Ll.d. Shannon Veterinarian
John van Gand Ang
Rock Valley
Fordson
Deering
Klay
Nomicel Transportation
FORD
Collenbaugh Motor Company
Iowa
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