Crystals are materials that have all their atoms assembled in a precise, repeating pattern, and crystalline materials are everywhere. In this video, I've got real crystals, take pictures of actual atoms, and build two demonstrations (one physical and one virtual) that show how crystals actually form. Extra thanks to the Earth Science microscopy facility, CNSI, and Dr. Mukherjee at UCSB for props, lab access and a better TEM image than my original!
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