Research Articles
The Time Machine in Your Pen: How Science Unravels Ink Secrets to Expose Forged Documents
Discover how forensic scientists use multiset modeling of infrared spectroscopy and mass spectrometry data to date blue pen ink and expose document forgeries.
The Invisible Witness: How Advanced Chemistry Exposes Document Forgeries
Explore how X-ray photoelectron spectroscopy (XPS) revolutionizes forensic document analysis by revealing the deposition sequence of intersecting ink lines.
The Invisible Revealed: How Paper Chromatography Helps Solve Crimes
Explore how paper chromatography, a simple yet powerful separation technique, helps forensic scientists analyze ink, drugs, and other evidence to solve criminal cases.
Unmasking Ink: How Math Catches Forgers Red-Handed
Discover how Principal Component Analysis and Hierarchical Cluster Analysis help forensic scientists determine ink age and catch document forgers.