A drop of this, 3 grams of that give it a stir and watch it bubble. Until now, chemistry has been akin to cookery, a matter of seeking the right recipe for the substance we were after. Leo Gross and his colleagues at IBM Research Zurich are helping to pioneer a more surgical approach. Using a microscope that can nudge atoms around (see main story). Cross is triggering reactions by removing single atoms from molecules.
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机译：一滴，三克，搅拌一下，看着它冒泡。到目前为止，化学一直类似于烹饪，这是为我们追求的物质寻找正确配方的问题。 Leo Gross和他在IBM Research Zurich的同事正在帮助开创一种更外科的方法。使用可以在周围微动原子的显微镜（请参见主要故事）。交叉通过从分子中除去单个原子来触发反应。
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