25.04.2014 15:35 Uhr, Quelle: Engadget

The world's smallest magazine cover is 2,000 times smaller than a grain of salt

No, National Geographic Kids didn't forget to buy colored ink -- that's a blown-up view of the smallest-ever magazine cover, created by IBM to set a Guinness world record. The tech firm used a miniscule, heated silicon "chisel" to etch a polymer

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