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World's smallest magazine cover

World's smallest magazine cover

C020/8814

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Credit

IBM RESEARCH / SCIENCE PHOTO LIBRARY IBM RESEARCH / SCIENCE PHOTO LIBRARY

Caption

World's smallest magazine cover. IBM scientist Colin Rawlings explaining how he and his colleagues created the record-setting cover of National Geographic Kids (background). Working at the IBM Zurich Research Laboratory, they invented a nano-sized heatable silicon tip 100,000 times smaller than a sharpened pencil point. This was used to etch a polymer (plastic) surface. The resulting magazine cover was 11x14 micrometres, small enough for 2000 of them to fit on a grain of salt. This was confirmed as an official Guinness World Record. Photographed on 25 April 2014, at the USA Science and Engineering Festival in Washington DC, USA.

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