This weekly newsletter shares resources for product designers (since 2021), brought to you by Dianna Deeney. To me, this scenic park is a lesson in risk.The massive Kinzua Viaduct was a testament to engineering. The bridge was built in the 1880s/1900s in northern Pennsylvania from steel forged in southeastern PA. "It was once the world's highest and longest rail viaduct."It was destroyed in 2003 by a tornado. The more complete story is that a massive maintenance project had begun by crews...