Conference ProceedingsIdentifying Powdered Illicit Drugs Using Magneto-Archimedes Levitation (MagLev), Signal Processing, and Digital Finger PrintingPresenting section:Criminalistics2020Abrahamsson, Christoffer K., Cambridge MA; Bozenko, Joe, Dulles VA; Nemitz, Markus P., Cambridge MA; Fink, Michael J., Cambridge MA; Preston, Daniel J., Houston TX; Whitesides, George, Cambridge MAView the paperCriminalistics