Televisions and phones you can roll up and carry around are a step closer to reality. Dutch scientists have discovered a type of #graphene bubble that can change colour as it expands and contracts. These 'mechanical pixels' could form the basis of screens of the future, which would be more flexible, durable and energy efficient than current LED technology. The discovery was made by researchers from Delft University of Technology in the Netherlands. Graphene is an ultra-thin layer of carbon just a one atom thick which has promised to revolutionise a number of fields, from engineering and medicine to commercial manufacturing. The material is 200 times stronger than steel, and a sheet as thin as cling-film could hold the weight of a full-sized elephant
http://m.nzherald.co.nz/technology/news/article.cfm?c_id=5&objectid=11755499
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