Solar geometry sheds new light on historic painting

A re-examination of the iconic John Constable work, Salisbury Cathedral from the Meadows, has found that the original 1831 exhibited version of the painting did not have a rainbow – and that it was added later to correspond ...

New technique uncovers hidden face behind cosmetic paints

Face recognition has become a key tool for unobtrusive human identification broadly applied in areas of surveillance, forensic, security, access control, etc. In recent years, although the accuracy of today's visible-spectrum ...

Monitoring toxic chemicals in coastal waters to protect wildlife

More investment is needed to develop better analytical tests to measure, and therefore help control, the amount of toxic chemicals called organotins that enter the environment, according to a review published in Trends in ...

New water soluble polymer for water resistant coatings

A new polymer on the basis of a trick used by mussels has been developed by the Wageningen PhD student Juan Yang. The polymer should be able to let water-based paint flow better and produce water resistant coatings. Yang ...

Scientists look inside the works of great artists

A new exhibit at the McMaster Museum of Art brings together years of painstaking research by an international team of scientists, engineers, conservators and art historians who have used sophisticated equipment and techniques ...

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