Happy New Year to everyone! I hope that 2011 will find you well and prosperous. Last week we began to examine the so called Rare Earth Elements, which turn out to have lots of uses, many of them to do, oddly, with optics in diverse ways. This week we shall finish up the series about them.
I reluctantly admit that I did not take as much time as necessary for the piece last week, mostly because even I did not understand just how important these elements are, both from a modern technological standpoint and also from an historical one for chemistry becoming a modern, “hard”, science. First we shall look into some history, then finish up the elements themselves.
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