Researchers in China have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible inkâwater. A message printed out by a water-jet printer on a manganese-complex-coated ...
Materials Science
Sep 25, 2019
0
72
Speed and accurate image reproduction are the alpha and omega of quality inspection in security printing. Conventional image sensors are limited in this regard. Fraunhofer researchers have developed an ultrafast line scan ...
Engineering
Jun 1, 2015
0
9
Soil scientists at Abertay University are using 3D printing technology to find out, for the very first time, exactly what is going on in the world beneath our feet.
Environment
Jan 27, 2014
0
0
Scientists have discovered a way of mimicking the stunningly bright and beautiful colours found on the wings of tropical butterflies. The findings could have important applications in the security printing industry, helping ...
Nanomaterials
May 30, 2010
5
0
