Analysis of sidewalk fractures

Geology professor Charles Onasch of Bowling Green State University suggests a lesson in observation and analysis: ANALYSIS OF SIDEWALK FRACTURES Summary Using fractures in sidewalks as an analog for natural outcrops, students learn to make systematic observations, measure the orientation and location of fractures, manipulate and analyze data, and consider some kinematic and dynamic questions […]

“Strapless Gown” engineer to give first public talk — after 51 years

This Friday night will see a historic event. Charles Seim, author of the 1956 classic engineering report “Stress Analysis of a Strapless Evening Gown,” will give a five-minute public lecture about it. This will be the first time, ever, that he has done so. Seim’s strapless evening gown work somehow led to a subsequent career […]

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