“To know yet to think that one does not know is best; Not to know yet to think that one knows will lead to difficulty.” Lao Tzu, philosopher (6th century BCE).
Thursday, 18 October 2012
'Flowers in a blue vase'
ESRF have used synchrotron
radiation to identify the degradation mechanism between Van Gogh's
original cadmium yellow paint and later added protective varnish on his 'Flowers
in a blue vase' painting.
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