Research Highlights

Selections from the scientific literature by Nature's news team

  • Volume 545
  • Issue 7653
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An image of Niels Bohr (right) was printed without any ink using a new laser-based method; ink-based image, left. Technical University of Denmark

Optics and photonics

Ink-free printing creates lasting pictures

A laser-based technique has been used to make high-resolution colour images that don’t fade.
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