A method is described for the manufacture of pivoting colloidal assemblies comprising rotating diamond and rotating triangle geometries that show tunable folding and unfolding by thermal fluctuations and actuation by magnetic attractions.
By seeing a teller to get a few ATM tokens (usually worth $10 or £10 and
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先是见面礼，要不要带啤酒，两个人来回说了好一阵。带几瓶，什么价位的，都是当地的礼数。再是红包。阿爸数着那边有几个孩子。可轮到封钱时，又犹豫起来，一百，还是两百？在我们当地，一百、两百的差别，往往意味着关系远近的差别。