For flying fleas to far off galaxies

Smaller is better, if you are a nanotechnologist.  So the challenge is to make things smaller and smaller.  Sometimes it is useful, other times it is for fun.  Like the smallest American flag, or the smallest space ship!  Right a space ship.  One printed using a high resolution 3D printer.  Scientists at the University of Austria have used a 3D printer to make a tiny space ship (and a tiny race car) using a lithographic printing technique that builds things up on a layer by layer basis.  The space ship was about 100,000 nanometers or about the width of a hair.  It took only 50 seconds to make.  Does it fly? Not on its own but it is still cool to see.
Check out the video

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