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English translation: photochromic
| 18:02 Nov 9, 2003 |
| German to English translations [PRO] Marketing | |||||
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|  Selected response from: Nicole Tata United Kingdom Local time: 13:58 | ||||
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| 4 +2 | photochromic |
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| 3 +1 | phototropic glasses |
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| 3 +1 | polarising? |
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Answers
7 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1phototropic glasses Explanation: If you're talking about eyeglasses. Benefits of Eyeglasses ... Other special features are so called phototropic glasses. In a normal situation these glasses are no different to regular glasses. ... www.careforyoureyes.com/article2083-176.html - -------------------------------------------------- Note added at 2003-11-09 18:16:35 (GMT) -------------------------------------------------- or photochromic glass(es) in general |
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8 mins confidence: peer agreement (net): +2
peer agreement (net): +2photochromic Explanation: . -------------------------------------------------- Note added at 2003-11-09 18:15:08 (GMT) -------------------------------------------------- photochromic glass. Photochromic means that the colour changes in the presence of light, and the colour change reverses in the dark. Such glass is made by incorporating a little silver chloride into the glass. Silver chloride is unstable towards light, so when the glass is exposed to bright sunlight, the silver chloride decomposes to metallic silver (this gives the gray colour) and chlorine atoms. The silver and the chlorine atoms are held in place because of the rigidity of the glass. When the light source is removed, the silver and chlorine atoms regenerate silver chloride, and the glass becomes colourless again http://www.physics.uoguelph.ca/summer/scor/articles/scor38.h... |
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1 hr confidence: peer agreement (net): +1
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