tomography

A sample of Beelitz sandy soil containing fragments of thin polyethylene film (PET) was analyzed here. Such films are used in asparagus cultivation. The neutron tomography (in shades of gray) shows where the PET fragments are located. X-ray tomography of the sample (ochre) reveals the soil structure: superimposed on the neutron tomography, the PET particles (in blue) contained therein become visible. Credit: C. Tötzke / HZB / Uni Potsdam…

A3396 Knife, southern cassowary casque / resin / abrus seed, maker not recorded, location not recorded, Queensland, Australia, made circa 1877–1930, acquired 1941. Credit: The Powerhouse Museum A number of sophisticated non-invasive nuclear and accelerator techniques were used to provide information about the origin and age of an Australian Aboriginal knife held in the collection of the Powerhouse Museum.…

The restored reliquary. It is decorated with images of Jesus and Mary. Credit: Technical University Munich An interdisciplinary research team led by the Leibniz-Zentrum für Archäologie (LEIZA) has solved the mystery of a gold-plated pendant found in 2008 in a medieval refuse pit in the Old City section of Mainz. Thanks to the non-destructive examinations at the Research Neutron Source Heinz Maier-Leibnitz (FRM II) of the…