World’s smallest sandcastles built on grain of sand

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Artists Vik Muniz and researcher Marcelo Coelho used focused ion beam tech (widely used to make microchips) to create these amazing sand castles, they are not ordinary sand castles, each castle is built on a grain of sand which was measured less than 0.5mm.

They spent four years to explore the technology of creation of pattern in the sand. You have to rely on scanning electron microscope to appreciate it. Check it out

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