Topic

Historical pigments

The colouring materials available to painters in different periods; because many have a known date of first manufacture, identifying one can bracket a paint layer in time.

Current clusters

science2 publishers

Uppsala's laser analysis finds an 18th-century blue in two patches of the 'L daVinci' Domitian

Twelve of the thirteen pigments in the Domitian portrait were available to Leonardo and Titian. The thirteenth is Prussian blue, first produced in the early 1700s, and it sits in the laurel wreath and in a jewel on the sword hilt.

Publishers:discovermagazine.comphys.org

Reality

Evidence74
Adoption: Insufficient
Hype gap+25
Incentives58
Confidence70