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Using large models of the Pilkington-Turner tooth, Dr. Lang shows the relationsh...
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At the age of 19, Natalie led a team of nine people, working with street kids, a...
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Views: (1157) Date: (13-12-09) Time: (00:05:33) |
Description: Andrew Lerwill uses a fadometer to fade a sample of Prussian blue pigment from the paintbox of Britain's most famous artist. Years of light exposure can be simulated in minutes. More at www.test-tube.org.uk