Historical wood panel paintings with developed craquelure patterns – networks of fine cracks in the paint– are significantly less vulnerable to environmental variations than previously assumed, according to a study in the open access journal Heritage Science.
Following on from their successful publications covering the Battles of Northampton and Edgcote during the Wars of the Roses, the two authors have collaborated on a comprehensive survey of the County’s turbulent and bloody military history.
Consider the following problem - A musician has to compose an n-beat rhythm. A heavy syllable takes up two consecutive beats, while a light syllable takes up a single beat. How many total rhythms does the musician have to choose from?
A palette of colours on a silver plate: that is what the world’s first colour photograph looks like. It was taken by French physicist Edmond Becquerel in 1848. His process was empirical, never explained, and quickly abandoned.
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