World’s smallest snowman

Just in time for Christmas, scientists at the National Physical Laboratory (NPL) have created the world’s smallest snowman, which measures just 0.01 mm across. The snowman was pieced together using very high tech machinery that is normally used to assemble nano objects.

The snowman was made from 2 tiny tin beads welded with platinum, and the scientists used something called an ion beam to carve the eyes and the smile. Another particle of platinum was used for the nose, which measures just 0.001 mm across. Read the rest of this entry »