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Dr Sharon Ann Holgate is a free lance science author and broadcaster, who has published widely on physics and technology in Scientist, The Times Higher Education Supplement, Science Careers, Focus, Flipside, E&T, as well as an undergraduate textbook 'Understanding Solid State Physics' , and for more on which see her website.


Image info: "Osmium Os, crystals, purity ≥ 99.99%, 2.2 g. Produced by chemical transport reaction in chlorine gas" (Source: Wiki Commons)



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