When Cal Tech researchers added silver to the microalloy mix, they were able to expand the thickness of the glass rods to six millimeters.

当加州理工学院的研究人员把银加入微量合金混合物中后，它们就能够将玻璃棒的厚度提升到六厘米了。

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So I have here silver nitrate and there I have sodium chloride and I mix the two.

好了，这是硝酸银，而这是氯化钠，我将两者混合。

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Workers add ingredients and mix, weigh, press and bake. What the workers are making is a ceramic disc that contains silver.

工人们添加进各种原料，然后混在一起、称重、按压和烘烤。工人们要做出的是含有银的陶瓷圆片。

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