Device that turns pink before you do12th March 2009
A team from the University of Strathclyde have created a device which turns pink and shows its wearer if they are at risk of sunburn.
Professor Andrew Mills, the team's leader, said they used a thin film which changed colour on exposure to UV light by means of an acid-sensitive dye.
"People think of chemical reactions as happening in test tubes," he said. "But here you have a reaction in a very thin layer of ink film that produces a colour change."
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Title: Device that turns pink before you do
Author: Jess Laurence
Article Id: 10586
Date Added: 12th Mar 2009