10.10.2015
But researchers have now taken divine inspiration from medieval stained-glass - because their colours haven't faded after hundreds of years being bombarded by UV radiation.Although medieval glass artisans didn't know they were using it, nanotechnology played a key part in creating stained-glass windows. Medieval stained-glass was created by trapping gold nanoparticles in the 'glass matrix' to create a red colour. WHY STAINED-GLASS DOESN'T FADE Although medieval artisans didn't know they were using it, nanotechnology played a key part in creating stained-glass windows.Medieval stained-glass was created by trapping gold nanoparticles in the 'glass matrix' to create a red colour. The small stained-glass coloured chips measure just 50 mm W 50 mm, are 18 mm high and weigh no more than 25 grams.


Space scientists are using medieval stained-glass inside a camera being sent on a mission to Mars. Professor Dave Barnes, based at Aberystwyth University, said: 'Mars has little to no ozone in the atmosphere and this means that the high ultra violet radiation can cause colours to fade when exposed to sunlight. This meant that it would never fade, despite sitting in sunlit windows for hundreds of years.
Similar stained-glass will be used in a robotic camera during the European Space Agency's ExoMars Rover mission to the Red Planet in 2019.The colour centres in the Rover's camera are formed as a nano-particle suspension within the glass and this acts as an efficient UV blocker.





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