The World’s Smallest Snowman

Find out more about the technologies used in the making of this snowman in real-world applications: 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 mm), is ion beam deposited platinum. A nanomanipulation system was used to assemble the parts ’by h