The world's smallest snowman is seriously tiny

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The world's smallest snowman is seriously tiny

The folks at Western University in London are getting into the Christmas spirit by creating their own little tiny snowman - and this one is seriously small!

In this image he's small and far away:

You'll notice the size reference at the bottom right as 2 um, that translates to 0.0002 centimetres. And you can barely see the snowman! This image comes from the official Tumblr for the university where they've also posted a follow up.

That fella stands just 3 microns tall - that's 0.0003 centimeters. It's made from stacking three 0.9 micron silica spheres on top of each other, a process completed with electrono beam lithography. Because fingers would be too gargantuan for the task. Then a focused ion beam was used to give him a smile, and the nose and arms are made from platinum.

So it's not really a snowman, but it sure is cute!



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