Here’s something that they don’t tell you in the TV cop shows: although fingerprints may be present at a crime scene, only about 10 percent of the prints found are of good enough quality for use in ...

Despite the vast quantity of fingerprint treatments currently available, examiners continue to be frustrated by a number of ‘difficult’ substrates. Multi-coloured and densely patterned backgrounds, ...

A powder made up of zinc oxide nanoparticles can give crime fighters a clearer image of fingerprints, even on wet surfaces, say Australian researchers. Dr Andrew McDonagh and colleagues, of the Centre ...

To enhance the printing consistency and reduce the fabrication cost, the recent progress on powder characterization, preparation, and reuse is systematically reviewed. Scientists from Nanjing ...