The World's Smallest Sandcastles Are Built on Individual Grains of Sand...
The artist Vik Muniz is always pushing boundaries.... ...evel. So he sketched sandcastles and sent them to Marcelo Coelho , a designer who is skilled in the artistic use of... ...se of a focused ion beam. With special equipment, Coelho can etch lines 50 nanometers wide. That's about o...
https://www.neatorama.com/2014/03/28/The-Worlds-Smallest-Sandcastles-Are-Built-on-Individual-Grains-of-Sand/
