Science Wars on Noise to Save Nerves
Colgate University psychology lab led by Prof. Donald A. Laird studies how noise affects human fear reactions and efficiency. Experiments with typists and sleepers show small noise reductions raise output and save energy, with recommendations for quiet sleeping rooms and window mufflers to cut intrusion from outside.
MENTIONED IN THIS ARTICLE
Psychological Laboratory
Colate University
Donald A. Laird
Laird
University of Michigan
Colgate University
Prof. Laird
Mirrors on Exit Doors Improve Passenger Safety
German street car officials add mirrors to exit doors to make passengers, especially women, face forward before alighting. The change, illustrated from Popular Mechanics, aims to prevent falls by countering the instinct to turn away while leaving a moving car.
MENTIONED IN THIS ARTICLE
Germany
Paper milk bottle touted to supplant glass containers
Industrial growth story explains a paper milk bottle offering air tight seals and extended freshness up to five weeks. It cites lower filling temperatures, reduced bacterial growth, heat insulation, and lower costs per bottle, with savings passed to consumers.
MENTIONED IN THIS ARTICLE
United States
New York City
Dairy Companion
A Subway for Senators in the Capitol Complex
The article describes an underground Capitol system with separate subways connecting the Senate Office Building and Capitol. It notes two topless monorail cars for Senators, seating twelve and sixteen, and explains the process of calling a car via basement elevators for travel to the Senate Chamber or committee rooms.
MENTIONED IN THIS ARTICLE
Ilium
United States
Capitol of Washington
Senate
Capitol
Vis
House
Congress
Senate Chamber
Washington
Spiral Drive for the Motor Car on Ice and Snow
Inventor Frederick P. Breen proposes an adjustable drive using interrupted spiral blades to replace wheels on automobiles. Front and rear shafts carry blades meshing with worm wheels, spun by engine and connected via universal joints to create four wheel drive on packed snow or ice.
MENTIONED IN THIS ARTICLE
Frederick P. Breen
Springfield
Mass
Air Corps Demonstrates Aerial Refueling Feasibility
The Air Corps reports successful in flight refueling enabling extended aloft time. An aircraft equipped with an auxiliary tank receives gasoline via a hose and funnel from a supporting plane. The process allows a plane to stay airborne for nearly a week under test conditions.
MENTIONED IN THIS ARTICLE
CHE
Air Corps
United States Army
Will Chemistry Find a Cure for Cancer
Dr Ellis McDonald of the University of Pennsylvania outlines a theory that cancer may stem from excessive blood alkalinity rather than germs. He suggests a chemical approach could neutralize excess alkali and prevent its formation, offering hope for a cancer cure.
MENTIONED IN THIS ARTICLE
Ellis McDonald
University of Pennsylvania
McDonald
Also Mentioned on This Page
Sherine
Spira
Chile
Brive
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!