In “C R Y S T A L S,” filmmaker Thomas Blanchard captures the slow, inexorable growth of potassium phosphate crystals. He took over 150,000 images — one per minute — to document the way crystals formed as the originally transparent liquid evaporated. Some crystals branch into fractals. Others bulge outward like a condensing cloud or a sprouting mushroom. (Video and image credit: T. Blanchard)
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