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Kuzma Explains: "What is Nanotechnology?"

"You can assemble these things from the top down by brute force by breaking big things apart," she said, "or you can do it by bottom-up methodology as well."

Size and manipulation, however, are but two of three criteria in the definition of nanotechnology, she said. The third is "novel properties based on size." Specifically, nanomaterials have high-surface-area-to-mass ratio. "It's the scale, it's the manipulation, and it's the novel properties," she said. "Those three parts make it nanotechnology."

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