Skip to main content

Home/ Science Technology Society/ Group items tagged without

Rss Feed Group items tagged

thinkahol *

Rainbows without pigments offer new defense against fraud - 0 views

    ScienceDaily (May 19, 2011) - Scientists from the University of Sheffield have developed pigment-free, intensely coloured polymer materials, which could provide new, anti-counterfeit devices on passports or banknotes due to their difficulty to copy.
1 - 2 of 2
Showing 20 items per page