This technique can be used to create a variety of objects, such as cubes or pyramids, without ever having to physically touch the material.

这种技术不需要直接接触到材料就制造出一系列模型，如立方体、棱锥体。

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Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1,000 times thinner than a human hair.

从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。

youdao

Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1, 000 times thinner than a human hair.

从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。

youdao

The capsules containing items such as sweets, matches and ice cubes were carried into the earth's atmosphere by two high altitude balloons on Friday.

BBC: Space capsules sent from Somerset school go missing