Nanotechnologists could link DNA “tiles” into a sheet, or fold a long strand of DNA back on itself again and again until it formed a flat surface.
纳米技术学家们能够将DNA“砖块”连成一大片，或者将一条长链的DNA反复折叠以形成一个平整的表面。
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One strand: To make the single-strand noodle, the chef first prepares the dough by rolling out a thin log that is then laid flat in a spiral (it somewhat resembles a lollipop).