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by wowDude 2853 days ago

  New “direct laser writing” set-ups, however, cost about as 
  much as a high-quality industrial 3D printer, and allow for 
  printing at the scale of hundreds of nanometers (hundred 
  to thousand time thinner than a human hair), opening up 
  possibilities for scientists to experiment with structural 
  coloration.
That sounds like some really exciting stuff right there.