An American engineer has produced a mathematical model explaining the elegant shape of the Eiffel Tower that was derived from French engineer Gustave Eiffels writings regarding his own fears about the effects of wind on such a structure.
University of Colorado at Boulder Associate Professor Patrick Weidman said Eiffel, one of the premier structural engineers in history, was determined to build the worlds first tower reaching 300 meters, the nearest metric equivalent to
Hundreds of thousands of earthquake fatalities could be averted if building contractors and homeowners were alerted to elementary construction principles, especially in the world’s six deadliest earthquake countries led by Iran, according to a University of Colorado at Boulder seismologist.
Roger Bilham said Iran, Turkey, China and the Caucasus states run the highest risk among developing nations, while Japan and Italy are the most hazardous industrialized nations in terms of eart