The historic Carrie Blast Furnaces used to churn out molten iron, which traveled across the bridge by rail to another part of the U.S. Steel Homestead Works. By 2024 the bridge will carry pedestrians ...
A 3D printed steel bridge is finally being used in Amsterdam, and is now being used for research. It required a staggering 4.9 tons of stainless steel to create, and also four years' worth of research ...
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