The World's Smallest Snowman

clipped from www.telegraph.co.uk

Scientists create the world's smallest 'snowman'

Worlds smallest snowman: Scientists create the world's smallest 'snowman'
The snowman is made of two tiny tin beads, normally used to calibrate electron microscope lenses, which were welded together with platinum
clipped from www.npl.co.uk
National Physical Laboratory

Christmas 2009

clipped from resource.npl.co.uk

The snowman is 10 µm across, 1/5th the width of a human hair.

The snowman was made from two tin beads used to calibrate electron microscope astigmatism. The eyes and smile were milled using a focused ion beam, and the nose, which is under 1 µm wide (or 0.001 mm), is ion beam deposited platinum.

The techniques used to create the Nano scale snowman are employed by NPL:

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