samzenpus from the spray-the-terror-away dept.
RedHanded writes "Forensic chemists at the Hebrew University of Jerusalem have developed a color-changing spray that can identify people suspected of making or planting bombs. The chemical turns from yellow to bright red when it comes into contact with urea nitrate, an explosive residue that may be left behind on the hands of someone who has handled an improvised device."
A computer lets you make more mistakes faster than any other invention,
with the possible exceptions of handguns and Tequilla.
-- Mitch Ratcliffe