Season’s micro-greetings: Scientists claim smallest Christmas card

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Season’s micro-greetings: Scientists claim...
 © CyprusMail 2018
British scientists have created what they believe is the world’s smallest  Christmas  card, a seasonal greeting so tiny that over 200 million of them could fit into a standard postage stamp.

The card, created by the National Physical Laboratory (NPL), the UK’s national measurement standards laboratory, measures 15 x 20 micrometers. A micrometer is one millionth of a metre.

It is made from platinum-coated silicon nitride, and was illustrated using a focused ion beam. The card’s cover features an etching of a snowman, above the words “seasons...


This article was automatically added to our system 18-12-2017

Season’s micro-greetings: Scientists claim smallest Christmas card


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