copper atoms can move through the alloy due to diffusion. this movement leads to the formation of cual2 crystals. this compound always contains two aluminum atoms for every one copper atom; it is 49.5 percent aluminum by weight. because of this fixed ratio, the compound has a definite chemica...
One of the most important developments in human history comes during the next few hundred years: the development of bronze-working. Bronze, a mix of copper and tin (or copper, tin, and lead if you’re clever) is much, much harder than all prior tools and weapons used up until that tim...
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So far the puzzle had been explained with a phenomenon called interstratification - a random stacking of layers with different number of water layers - and what is measured by diffraction data has been an average value related to the different proportions between the number of layers having differ...