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Latest Katrien Keune Stories

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2005-07-07 15:25:11

A small quantity of chloride in the red paint in the painting 'Portrait of a Young Lady' by Peter Paul Rubens in the Mauritshuis Museum in The Hague is causing the red parts of the painting to slowly turn black and white under the influence of light. Dutch researcher Katrien Keune has determined the cause and course of the discolouration. At the FOM institute for Atomic and Molecular Physics Keune investigated the pigment vermilion from a painting by Rubens. Originally this mercury sulphide...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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