http://www.sciam.com/blog/60-second-science/post.cfm?id=nano-coated-bull...
Scanned by: SwankyJ3 months ago
U.K. researchers are developing a coating for bullet casings that sticks to the hands (or gloves) of anyone handling it and is very difficult to remove. The idea is to give each bullet a "fingerprint" that can be traced to a given crime.