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Sculptures as thin as a hair
Most flowers start as seeds planted in soil, but Wim Noorduin, currently a post-doc researcher at Harvard, prefers to craft bouquets using Barium carbonate and sodium metasilicate. The two chemicals are disolved in a glass beaker filled with water and as carbon dioxide seeps into the vessel it kickstarts a chemical reaction that creates a wonderland of micro-sculptures that are about the diameter of the human hair.

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