New Machines And Gadgets Gadget Bulletin 227 previewed devices
The piece lists inventions gaining ground test insights including muzzle velocity probes with magnetized projectiles, a paintbrush cleaner with a spiral toothed cylinder, a one man hay baler pulled by a tractor, rotary air powered shoe brushes, a truck loading platform, electric foot switches for factories, and a lock stretcher drier. Readers can request Gadget Bulletin 227 by sending three cents.
Falling Leaves and the Cycle of Autumn
Falling leaves mark autumn as they surrender their nutrients to the parent plant. Each scar shows a hidden bud ready to sprout in spring, proving life’s cycle continues even as trees shed their foliage.
War Jobs of Talent Winners Lay Foundation for Careers
The Science Talent Search helps 120 top high school science students, 88 boys and 32 girls, prepare for college or armed service. Winners gain scholarships up to 2400 dollars for four years, with many securing further offers from universities. Read about notable youths like Evelyn Pease and Marguerite Killingbeck whose summer work supported war efforts in pharma labs and research.
MENTIONED IN THIS ARTICLE
Wacs
Waves
Science Service
Westinghouse Electric & Manufacturing Co
Science Clubs of America
Washington
Ap Ple
Science Talent Institute
White House
Evelyn Pease
Evansville
Ind
Marguerite Killingbeck
Nyack
N. Y
Army
Navy
Evelyn
University of Michigan
Mead Johnson and Company
Marguerite
Mount Holyoke College
Lederle Laboratories
Pearl River
Marina Prajmovsky
Farmingdale
Naval Research Laboratory
Washington, D. C
Arthur Ortenburger, Jr
Norman
Okla
Arthur
Harvard Medical College
Paul Teschan
Shorewood
Wis
University of Minnesota
Lead Growth of Bright Lead Plates Demo in Glass Jar
A science club activity describes growing shiny lead plates on zinc objects in a clear lead solution. Students dissolve lead acetate, wash sand, prepare zinc shapes, and place them in an aquarium to observe lead deposition. warns of toxic lead residues and proper disposal.
MENTIONED IN THIS ARTICLE
Science Service
Sulfite Waste Liquor Extracts Protein in Feed Study
Researchers at the Overly Biochemical Research Foundation in New York City report a method to recover 85 to 90 percent of protein from industrial wastes. The process uses sulfite waste liquor to precipitate protein from fermentation byproducts, reducing waste and pollution while yielding cattle feed supplement.
MENTIONED IN THIS ARTICLE
James S. Wallerstein
Eduard Farber
Gertrude D. Maengwyn- Davies
Arthur L. Schade
Overly Biochemical Research Foundation, Inc
New York City
Egrets Make Notable Comeback After Hat Fashion Decline
The egret once endangered by plume hunting 25 to 30 years ago has rebounded. This summer in Popes Creek, Virginia, fifty to sixty of the birds were sighted at once, per Philip R. Hough, superintendent of the George Washington Birthplace National Monument.
MENTIONED IN THIS ARTICLE
Philip R. Hough
George Washington Birthplace National Monument
Popes Creek
Shadows Aid Air Identification of Man Made Structures
Navy photo interpreters explain how shadows reveal height and shape of tall objects like stacks tanks and antennae. Shadow length and identical lighting allow comparisons to known heights, while dummy shadows and shadowgraphs help train recognition of ships and planes.
MENTIONED IN THIS ARTICLE
U. S. Navy
Navy
Also Mentioned on This Page
Proving Ground
N St
N. W
By Science Service
Armed Services
General Helper-Euter
Mary Ann Williams
Troy
DuPont
Wilmington
Del
Victor Mayper, Jr
Massachusetts Institute of Technology
Clifford Swartz
Niagara Falls
Irving William Rozian
Hazel Park
Mich
Murray Gerstenhaber
Yale University
Paul Cranefield, Jr
Columbus
University of Wisconsin
Wayland Noland
Madison
STS
Allen E. Voigt
Salem
Ore
Army Medical Laboratory
Harlow Shapley
Harvard
Science Talents Institute
By Joseph H. Kraus
Robert N. Farr
Arte