WHAT ENGINEERS KNOWWith distinguished careers as both an aeronautical engineer and a historian, Walter Vincenti has a unique perspective on how engineering knowledge is created and diffused. An Interview With Walter Vincenti by Robert C. Post
“ST. GEORGE” WESTINGHOUSEBefore outdoing America’s greatest inventor, he changed railroading from a demolition derby to a safe, reliable means of transportation. by Curt Wohleber
IS IT REAL OR IS IT A MACHINE?Edison’s Tone Tests did more than sell phonographs. They convinced a skeptical public that recordings were just as legitimate as live music. by Emily Thompson
GAS PUMPSThey didn’t always look like refrigerators. Gas pumps were once as curvaceous and distinctive as the cars whose tanks they filled. by Michael Karl Witzel
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