>>We're moving in that direction, Prof. http://www.informationweek.com/news/hardware/showArticle.jhtml?articleID=197801458
>
>Looks cool... now when they start trying it out on the street, there'll be lots of surprises. Just like no police takes traces of narcotics on cash as any evidence anymore, because all cash has them, who knows what kind of dangerous compounds will be found everywhere.

Only the TriCorder knows (minor key organ music - dum dum dummmmmmmmmmmmmmm!)