How WWI Made the Zipper a Success
A money belt with a zipper became an instant success among WWI U.S. sailors, whose uniforms did not have pockets. Almost all initial zipper sales were for the money belts.
The Science of Traffic
Traffic congestion has been a problem in the United States ever since the 1930s, and since that time, scientists have been studying on the problem.
The Channel Tunnel Is a Product of Politics, Not Engineering
The history of the Channel Tunnel is the really the contentious history between France and England.
Microlattice: The World’s Lightest Metal
Boeing has developed a metal microlattice, a strong material mostly composed of air.
Embracing Dry Land: Water-Smart Urban Design and Drought in the American West
Water-smart urban design and drought in the American West.