alt Hacker News>..What evidence is there that these have a chemical difference?
3 lines later..
>.. The Drug Enforcement Agency tests the meth they seize to see how it was made.
quick answer!
>..What evidence is there that these have a chemical difference?
3 lines later..
>.. The Drug Enforcement Agency tests the meth they seize to see how it was made.
quick answer!
Right? One suspects that "knowing how it was made" implies "understanding contaminants to look for."