Magnetic wand
A stylus containing a retractable internal magnet that draws magnetic powder into a cluster at the tip for application to surfaces; retraction of the magnet releases excess powder without touching the substrate.
A stylus containing a retractable internal magnet that draws magnetic powder into a cluster at the tip for application to surfaces; retraction of the magnet releases excess powder without touching the substrate.
Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.