www.securitymagazine.com/articles/77742-smart-water-1
Smart Water
November 29, 2001
In England, police are pushing a liquid that businesses can use to mark valuable equipment. Under ultra-violet light, even the smallest traces of the liquid fluoresce. Police then take samples for forensic examination. The water-based solution carries millions of microscopic particles, each uniquely coded and likened to DNA profiling.