Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...
These historic objects from the National Air and Space Museum's collection have been 3D scanned and 3D models produced in partnership with the Smithsonian Institution's Digitization Program Office.
A tiny screw. A precise angle. How America built a hidden empire, one standard at a time.
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