The macro-X-ray fluorescence scanner is switched on by Head Researcher Abbie Vandivere and Annelies van Loon of the Mauritshuis in The Hague. Over the next few days, Vermeer’s painting Girl with a Pearl Earring (c. 1665) will be scanned millimetre by millimetre. This MA-XRF scan marks the beginning of The Girl in the Spotlight: a joint project within the framework of the…