The question is whether there is a chemical additive to paint/rubber that can be traced by a handheld device. This is looking for a solution that is not reliant on GPS or a chip. The first thing that came to mind was radioactive isotopes and Geiger Counters. My concern is that it is difficult to get an approval for a hazardous material and that the geiger counter would not be able to find the object as it would not be strong enough for an efficient reading. The idea is that the object would contain the chemical, and the device could target the object (find it) within a 30m area. Could this be possible?
– Asked by Jon via the ask a science question page.
Hi Jon,
An interesting question. Not sure about the application of this, but you can achieve traceability by adding a UV luminescent dye to the paint. As it absorbs and emits UV, you can easily trace it with a simple UV lamp. If you want to track rubber and are sure that no other metal is present, you can add some magnetic particles into it and trace it with a magnet.
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