Origins of the plantation system revealed

The first-ever investigation of an archaeological site on São Tomé is revealing the African island's involvement in the inception of the plantation economic model later exported to the Americas.

Size of X-ray beams successfully evaluated with mathematics

X-ray fluorescence analysis allows elemental analysis in a variety of environments without destroying the sample. The smaller diameter of the X-ray microbeam, the more accurate the elemental distribution can be. Because X-ray ...

Obtaining color images from the shadow of a sample

A research team at the University of Göttingen has developed a new method to produce X-ray images in color. In the past, the only way to determine the chemical composition of a sample and the position of its components using ...

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