(IMAGE)
Caption
A microstructure created by a 3D printer: the innovative refractive structure developed by PSI scientists and which combined with a diffractive element, results in an achromatic X-ray lens, is almost a millimetre long (or high, as shown in the photo). Turned on its end, it resembles a miniature rocket. It was created by a 3D printer using a special type of polymer. This image of the structure was captured using a scanning electron microscope.
Credit
Paul Scherrer Institute/Umut Sanli
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