reflectance transformation imaging

Exploring ancient graffiti

The walls of Pompeii are littered with messages left behind by the city’s inhabitants two millennia ago. Recent research is shedding new light on one of the richest concentrations of these ancient inscriptions.

The art of fishing

Analysis of engraved stone slabs from the 15,800-year-old site of Gönnersdorf, located on the banks of the Rhine in west-central Germany, has identified a set of carvings that appear to depict fish nets or traps. Gönnersdorf has produced a rich…