TED Talksのインスタグラム(ted) - 9月16日 23時19分

These are tiny sand grains -- made of coral and micro shells -- as seen through a 3D microscope. At #TEDxMaui, Gary Greenberg shares his passion for dissecting bits of sand, identifying the different minerals, and photographing them. “There are no two grains of sand alike in the world. Every grain of sand is coming somewhere and going somewhere. They're like a snapshot in time.” Learn more at on.ted.com/garygreenberg

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