This 1945 photograph shows an A-26 Invader inside the 40- by 80-foot wind tunnel at NASA Ames Research Center. Aeronautical science relied on such infrastructures to bridge the gap between theoretical ...
Deep below the rocky ground in Sindelfingen, Germany, a three-storey tall fan sits, enclosed by concrete walls. Its presence looms large inside the nondescript tangle of buildings in various shades of ...
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