Tag: Ethan Jo

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United States and Divided Units

On September 23, 1999, NASA’s 193-million-dollar Mars Climate Orbiter entered orbit around Mars—or was supposed to. Instead, it was lost, either by falling into the Martian atmosphere and disintegrating or by flying straight through the atmosphere and falling into orbit around the sun. Initially, engineers and officials at NASA were […]

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When Engineers Make Mistakes, People Die

On August 14, 2018, the Morandi Bridge in Genoa, Italy, collapsed, killing at least 39 people and destroying an important highway linkage. A replacement bridge was inaugurated on August 3, 2020,  but the question still remains: why did the 51-year-old Morandi Bridge collapse while 2000-year-old Roman aqueducts still stand? The […]