How to make tiny metal snowflakes
In molten gallium, zinc formed symmetrical, hexagonal nanostructures
![A photo of a variety of zinc snowflake shapes crystallized in liquid gallium.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/12/120822_no_metal-snowflakes_feat.jpg?fit=1030%2C580&ssl=1)
After heating a gallium-zinc alloy to 350° C and letting it cool for 10 days, a variety of zinc snowflake shapes crystallized in the liquid gallium.
S.A. Idrus-Saidi et al/Science 2022